Grove GMK5180 Crane Maintenance Manual

On a GMK5180 that spends its life lifting heavy loads on construction sites, refineries, and plant shutdowns, this maintenance manual is what you use to plan service before things get expensive. It helps you line up intervals, know what to inspect first, and verify you’re putting the right fluids and adjustments in the right places. Say you’ve got a slewing motion that’s getting noisy or a boom function slowing down—this is the book you grab to trace the issue, decide what to inspect, and bring the crane back into safe, smooth operation without guesswork.

Applications & Use Cases

Plan routine services so filters, oils, and wear components get attention before they cause downtime.
Set inspection priorities on boom, outriggers, and superstructure after hard lifts or rough travel.
Verify adjustment points on brakes, steering, and controls after repairs or component swaps.
Trace hydraulic complaints by following recommended checks instead of randomly changing parts.
Standardize maintenance habits across operators and shifts so the crane is treated the same way every time.

FAQ

Q: Can I use this manual on a tablet in the field?

A: Yes, it’s practical to keep a digital copy on a tablet or laptop so you can zoom diagrams and search quickly at the crane.

Q: Should I still print pages from it?

A: Printing the relevant procedures for a job is handy; you can mark notes, protect them in plastic sleeves, and keep them right at the work area.

Safety Note

Always lock out, support, and depressurize systems exactly as instructed before you put a wrench on anything.

📘 Show Index

Grove GMK5180 Index:

TABLE OF CONTENTS
1 General instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 – 1
1.1 Using the Maintenance Manual . . . . . . . . . . . . . . . . . . . . . . . . . 1 – 1
1.2 Warnings and symbols . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 – 1
1.3 Maintenance instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 – 2
1.4 Definition of direction information . . . . . . . . . . . . . . . . . . . . . . . . 1 – 4
2 Safety and environmental protection . . . . . . . . . . . . . . . 2 – 1
2.1 Safety rules . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 – 1
2.2 Handling substances which are harmful to the environment . . . . . . . . . 2 – 2
3 Cleaning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 – 1
3.1 Overview of the components that are easily damaged when cleaning . . . . 3 – 2
4 Run-in instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 – 1
5 Maintenance overview . . . . . . . . . . . . . . . . . . . . . . . . . . 5 – 1
5.1 Maintenance intervals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 – 1
5.2 Maintenance plans . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 – 3
5.2.1 Maintenance plan D: daily/before start-up . . . . . . . . . . . . . . . . . . . 5 – 5
5.2.2 Maintenance plan W: weekly . . . . . . . . . . . . . . . . . . . . . . . . . . 5 – 6
5.2.3 Maintenance plan M 1: monthly/after 100 Bh/approx. 2000 km . . . . . . . 5 – 8
5.2.4 Maintenance plan M 3: every three months/after 300 Bh/5000–6000 km . . 5 – 10
5.2.5 Maintenance plan M 6: every 6 months/after 500 Bh/10 000–12 500 km . . . 5 – 12
5.2.6 Maintenance plan M 12: every 12 months /after 1000 Bh/20 000–25 000 km . 5 – 14
5.2.7 Maintenance and inspection plan Y 3: every 36 months/after 3000 Bh . . . 5 – 16
5.2.8 Maintenance and inspection plan Y 6: every 72 months/after 6000 Bh . . . 5 – 17
5.3 Periodic inspections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 – 19
5.3.1 Load hook inspection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 – 20

5.4 Measures required for winch monitoring . . . . . . . . . . . . . . . . . . . . 5 – 21
5.4.1 Theoretical service life . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 – 21
5.4.2 Proportion of the theoretical service life used . . . . . . . . . . . . . . . . . 5 – 22
Determining the operating conditions (collective load) . . . . . . . . . . 5 – 23
Determining the actual operating hours Ti . . . . . . . . . . . . . . . . . 5 – 24
Determining the proportion of the theoretical service life used . . . . . . 5 – 25
5.4.3 Example . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 – 26
Table example to determine the remaining theoretical service life
on winch no. 1 (main hoist winch) . . . . . . . . . . . . . . . . . . . . . 5 – 28
6 Lubricant and process materials . . . . . . . . . . . . . . . . . . 6 – 1
6.1 Lubrication chart . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 – 1
6.2 Process materials . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 – 3
6.2.1 Fuel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 – 3
6.2.2 Engine coolant admixtures . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 – 3
6.2.3 Windscreen washing system admixtures . . . . . . . . . . . . . . . . . . . 6 – 3
6.2.4 Fuel for crane cab heating system . . . . . . . . . . . . . . . . . . . . . . . 6 – 3
7 Description of maintenance work on the carrier . . . . . . . 7 – 1
7.1 Vehicle engine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 – 1
7.1.1 Oil level check . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 – 2
7.1.2 Adding engine oil . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 – 2
7.1.3 Installing oil drain valve . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 – 3
7.1.4 Checking the coolant level . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 – 4
7.1.5 Checking the dry air filter . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 – 5
7.2 Checking the overall condition and checking for leakage . . . . . . . . . . . 7 – 6
7.2.1 Cleaning the fuel prefilter screen . . . . . . . . . . . . . . . . . . . . . . . . 7 – 7
Cleaning the fuel prefilter screen . . . . . . . . . . . . . . . . . . . . . . 7 – 7
Bleeding the fuel system . . . . . . . . . . . . . . . . . . . . . . . . . . 7 – 7
7.2.2 Changing the fuel filter insert . . . . . . . . . . . . . . . . . . . . . . . . . 7 – 8
Blocking and emptying the fuel pipe . . . . . . . . . . . . . . . . . . . . 7 – 8
Changing the fuel filter insert . . . . . . . . . . . . . . . . . . . . . . . . 7 – 9
After changing the filter insert . . . . . . . . . . . . . . . . . . . . . . . . 7 – 10
7.3 Automatic gearbox . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 – 11
7.3.1 Oil level check . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 – 11
7.3.2 Checking the overall condition and tightness . . . . . . . . . . . . . . . . . 7 – 14
7.3.3 Changing the oil filter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 – 14
7.3.4 Changing the oil . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 – 16
06.04.1999
i – 4 2 085 294 en Maintenance Manual GMK 5180
7.4 Transfer case . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 – 19
7.4.1 Checking the overall condition and tightness . . . . . . . . . . . . . . . . . 7 – 19
7.4.2 Oil level check . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 – 19
7.4.3 Changing the oil . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 – 20
7.5 Axle lines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 – 21
7.5.1 Checking the overall condition and tightness . . . . . . . . . . . . . . . . . 7 – 21
7.5.2 Axle centre drives – oil level check . . . . . . . . . . . . . . . . . . . . . . . 7 – 21
7.5.3 Axle centre drives – oil change . . . . . . . . . . . . . . . . . . . . . . . . . 7 – 23
7.5.4 Final drives – oil level check . . . . . . . . . . . . . . . . . . . . . . . . . . 7 – 25
7.5.5 Final drives – oil change . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 – 26
7.5.6 Lubricating the cardan shafts on the axle lines . . . . . . . . . . . . . . . . 7 – 27
Number and position of lubrication points . . . . . . . . . . . . . . . . . 7 – 27
Lubricating first axle line cardan shafts . . . . . . . . . . . . . . . . . . 7 – 28
Lubricating second, fourth and fifth axle line cardan shafts . . . . . . . . 7 – 28
7.5.7 Lubricating the longitudinal cardan shafts between the gear units . . . . . 7 – 29
Number and position of lubrication points . . . . . . . . . . . . . . . . . 7 – 29
Lubricating longitudinal cardan shafts . . . . . . . . . . . . . . . . . . . 7 – 30
7.5.8 Lubricating intermediate bearing of the longitudinal cardan shaft . . . . . 7 – 30
7.6 Wheels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 – 31
7.6.1 Checking the tyres for damage . . . . . . . . . . . . . . . . . . . . . . . . . 7 – 31
7.6.2 Checking the tyre air pressure . . . . . . . . . . . . . . . . . . . . . . . . . 7 – 32
7.6.3 Checking the wheel-bearing clearance . . . . . . . . . . . . . . . . . . . . 7 – 32
7.7 Vehicle brakes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 – 33
7.7.1 Checking brake-lining thickness . . . . . . . . . . . . . . . . . . . . . . . . 7 – 33
7.8 Suspension . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 – 34
7.8.1 Checking the oil level in the suspension cylinders . . . . . . . . . . . . . . 7 – 34
7.8.2 Checking the tightness of retaining bolts on the suspension cylinders . . . 7 – 35
7.9 Steering . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 – 37
7.9.1 Checking for leaks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 – 37
7.10 Carrier compressed air system . . . . . . . . . . . . . . . . . . . . . . . . . . 7 – 39
7.10.1 Draining the compressed air system . . . . . . . . . . . . . . . . . . . . . . 7 – 39
7.10.2 Checking for leaks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 – 39
7.10.3 Replacing the granulate cartridge of compressed air drier . . . . . . . . . . 7 – 40
7.11 Carrier hydraulic system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 – 41
7.11.1 Checking the hydraulic oil level . . . . . . . . . . . . . . . . . . . . . . . . 7 – 41
7.11.2 Checking the hydraulic hoses . . . . . . . . . . . . . . . . . . . . . . . . . 7 – 42
7.11.3 Checking for leaks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 – 43
7.11.4 Changing the hydraulic oil filters and cleaning the magnetic rod . . . . . . 7 – 44
7.11.5 Replacing the venting filter . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 – 45

7.11.6 Taking oil samples . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 – 46
Handling the drain valves . . . . . . . . . . . . . . . . . . . . . . . . . . 7 – 46
Taking oil samples . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 – 47
7.11.7 Changing the hydraulic oil . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 – 48
7.12 Central lubrication system . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 – 51
7.12.1 Checking and topping up level in the grease container . . . . . . . . . . . . 7 – 51
Checking the level . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 – 51
Filling the grease container . . . . . . . . . . . . . . . . . . . . . . . . . 7 – 52
Bleeding the central lubrication system . . . . . . . . . . . . . . . . . . 7 – 54
7.13 Carrier electrical system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 – 55
7.13.1 Checking the acid level of batteries . . . . . . . . . . . . . . . . . . . . . . 7 – 55
7.13.2 Checking the acid concentration of batteries . . . . . . . . . . . . . . . . . 7 – 56
7.14 Carrier air-conditioning system (additional equipment) . . . . . . . . . . . . 7 – 57
7.14.1 Checking moisture and level of the refrigerant . . . . . . . . . . . . . . . . 7 – 57
7.14.2 Cleaning capacitor cooling fins . . . . . . . . . . . . . . . . . . . . . . . . . 7 – 58
7.14.3 Checking hoses . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 – 58
7.14.4 Checking the refrigerant compressor . . . . . . . . . . . . . . . . . . . . . 7 – 59
7.14.5 Checking the entire air-conditioning system . . . . . . . . . . . . . . . . . 7 – 59
7.15 Trailer coupling (additional equipment) . . . . . . . . . . . . . . . . . . . . . 7 – 61
7.15.1 Lubricating the trailer coupling . . . . . . . . . . . . . . . . . . . . . . . . . 7 – 61
7.15.2 Checking the bearing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 – 62
7.15.3 Checking the cotter pin . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 – 63
7.15.4 Checking the lower bushing . . . . . . . . . . . . . . . . . . . . . . . . . . 7 – 64
7.15.5 Checking the support ring . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 – 64
7.15.6 Checking the initial tension of the springs . . . . . . . . . . . . . . . . . . . 7 – 65
7.15.7 Checking the function of the coupling jaw/resetting central position . . . . 7 – 65
Checking function . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 – 65
Resetting central position . . . . . . . . . . . . . . . . . . . . . . . . . . 7 – 66
7.16 Other maintenance work . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 – 67
7.16.1 Lubricating the outrigger beams . . . . . . . . . . . . . . . . . . . . . . . . 7 – 67
7.16.2 Functional check of additional heating system (additional equipment) . . . 7 – 67
8 Description of maintenance work on the superstructure 8 – 1
8.1 Crane engine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 – 1
8.1.1 Oil level check . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 – 1
Topping up engine oil . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 – 2
8.1.2 Checking the coolant level . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 – 3
8.1.3 Checking the dry air filter . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 – 4
8.1.4 Checking the overall condition and checking for leakage . . . . . . . . . . 8 – 5
06.04.1999
i – 6 2 085 294 en Maintenance Manual GMK 5180
8.1.5 Cleaning the fuel prefilter-screen . . . . . . . . . . . . . . . . . . . . . . . 8 – 6
Cleaning the prefilter screen . . . . . . . . . . . . . . . . . . . . . . . . 8 – 6
Bleeding the fuel system . . . . . . . . . . . . . . . . . . . . . . . . . . 8 – 6
8.1.6 Changing the fuel filter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 – 7
Blocking and emptying the fuel pipe . . . . . . . . . . . . . . . . . . . . 8 – 7
Changing the fuel filter insert . . . . . . . . . . . . . . . . . . . . . . . . 8 – 8
8.2 Hoists . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 – 9
8.2.1 Checking the oil level . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 – 9
8.2.2 Checking for leaks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 – 10
8.2.3 Checking the hoist brake . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 – 10
8.2.4 Lubricating auxiliary hoist gearbox (additional equipment) . . . . . . . . . 8 – 11
8.2.5 Changing the oil . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 – 11
Oil change on hoist gear . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 – 12
Oil change on the brake unit . . . . . . . . . . . . . . . . . . . . . . . . 8 – 12
Checking the oil . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 – 13
8.2.6 Carrying out partial inspection of hoists . . . . . . . . . . . . . . . . . . . . 8 – 13
8.2.7 Carrying out general inspection of hoists . . . . . . . . . . . . . . . . . . . 8 – 14
8.3 Slewing gear . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 – 15
8.3.1 Checking the oil level . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 – 15
8.3.2 Checking for leaks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 – 15
8.3.3 Lubricating slewing gear pinion and gear rim . . . . . . . . . . . . . . . . . 8 – 16
8.3.4 Changing the oil . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 – 17
8.4 Superstructure hydraulic system . . . . . . . . . . . . . . . . . . . . . . . . . 8 – 19
8.4.1 Checking the hydraulic oil level . . . . . . . . . . . . . . . . . . . . . . . . 8 – 19
8.4.2 Checking the hydraulic hoses . . . . . . . . . . . . . . . . . . . . . . . . . 8 – 20
8.4.3 Checking for leaks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 – 20
8.4.4 Bleeding the derricking cylinder . . . . . . . . . . . . . . . . . . . . . . . . 8 – 20
Preconditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 – 21
Bleeding the piston rod chamber . . . . . . . . . . . . . . . . . . . . . . 8 – 21
Bleeding the piston head area . . . . . . . . . . . . . . . . . . . . . . . . 8 – 22
8.4.5 Bleeding telescoping cylinders . . . . . . . . . . . . . . . . . . . . . . . . . 8 – 23
Preconditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 – 23
Bleeding procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 – 23
Location of the bleeder screws . . . . . . . . . . . . . . . . . . . . . . . 8 – 24
Telescoping status . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 – 25
8.4.6 Changing the hydraulic oil filters and cleaning the magnetic rod . . . . . . 8 – 26
Return filter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 – 27
Hydraulic oil filter for feed circuit and control circuit . . . . . . . . . . . 8 – 28
8.4.7 Replacing the venting filter . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 – 29
8.4.8 Taking oil samples . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 – 30
8.4.9 Changing the hydraulic oil . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 – 31
8.5 Main boom . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 – 35

8.5.1 Lubricating the telescope slide faces . . . . . . . . . . . . . . . . . . . . . . 8 – 35
Position of lubricating nipples . . . . . . . . . . . . . . . . . . . . . . . . 8 – 36
Requirements: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 – 37
Lubricating slide faces of telescope sections . . . . . . . . . . . . . . . . 8 – 38
Lubricating telescope section V . . . . . . . . . . . . . . . . . . . . . . 8 – 38
Lubricating telescope sction IV . . . . . . . . . . . . . . . . . . . . . . . 8 – 38
Lubricating telescope section III . . . . . . . . . . . . . . . . . . . . . . 8 – 39
Lubricating telescope section II . . . . . . . . . . . . . . . . . . . . . . 8 – 40
Lubricating telescope section I . . . . . . . . . . . . . . . . . . . . . . . 8 – 40
8.6 Hoist ropes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 – 41
8.6.1 Check the position of sheaves and rope drums . . . . . . . . . . . . . . . . 8 – 41
8.6.2 Check the condition . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 – 42
Assessing the condition of the hoist rope . . . . . . . . . . . . . . . . . 8 – 43
Replacing the hoist rope . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 – 49
Setting the lowering limit switch . . . . . . . . . . . . . . . . . . . . . . 8 – 51
Lowering limit switch function control . . . . . . . . . . . . . . . . . . . 8 – 52
8.7 Safe load indicator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 – 53
8.7.1 Maintaining the slip ring assembly of the cable drums . . . . . . . . . . . . 8 – 53
Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 – 54
Maintaining slip ring assembly . . . . . . . . . . . . . . . . . . . . . . . 8 – 54
8.8 Central lubrication system . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 – 56
8.9 Lattice extension (additional equipment) . . . . . . . . . . . . . . . . . . . . 8 – 57
8.9.1 Lubricating joint on 12.5 m section . . . . . . . . . . . . . . . . . . . . . . 8 – 57
8.9.2 Lubricate derricking cylinder in 12.5 m section . . . . . . . . . . . . . . . . 8 – 57
8.10 Hook blocks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 – 59
8.10.1 Lubricate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 – 59
8.11 Superstructure electrical system . . . . . . . . . . . . . . . . . . . . . . . . 8 – 61
8.11.1 Check the acid level of batteries . . . . . . . . . . . . . . . . . . . . . . . . 8 – 61
8.11.2 Check the acid concentration of batteries . . . . . . . . . . . . . . . . . . . 8 – 61
8.12 Superstructure air-conditioning system (additional equipment) . . . . . . . . 8 – 63
8.12.1 Checking moisture and level of the refrigerant . . . . . . . . . . . . . . . . 8 – 63
8.12.2 Cleaning capacitor cooling fins . . . . . . . . . . . . . . . . . . . . . . . . . 8 – 64
8.12.3 Checking hoses . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 – 64
8.12.4 Checking the refrigerant collector . . . . . . . . . . . . . . . . . . . . . . . 8 – 65
8.12.5 Checking the refrigerant compressor . . . . . . . . . . . . . . . . . . . . . 8 – 65
8.13 Other maintenance work . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 – 67
06.04.1999
i – 8 2 085 294 en Maintenance Manual GMK 5180
8.13.1 Functional check of the additional heating system (additional equipment) . 8 – 67
9 Longer inoperational periods . . . . . . . . . . . . . . . . . . . . . 9 – 1
Before the truck crane is put out of operation . . . . . . . . . . . . . . . 9 – 1
During inoperational periods . . . . . . . . . . . . . . . . . . . . . . . . 9 – 1
Before putting the truck crane back into operation . . . . . . . . . . . . 9 – 2
10 Tightening torques . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 – 1
10.1 Tightening torques for retaining bolts . . . . . . . . . . . . . . . . . . . . . . 10 – 1
10.2 Special tightening torques . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 – 2