Description
Messersi M28U, M38U Mini Excavator Operator Manual
Messersi M28U, M38U Mini Excavator Index:
INDEX
1 PRESENTATION OF THE MACHINE ………………………………………………………………………………………..4
1.1. MACHINE IDENTIFICATION……………………………………………………………………………………………….4
2 MAIN PARTS OF THE MACHINE……………………………………………………………………………………………..5
2.1. EXCAVATION DIAGRAM, OVERALL DIMENSIONS………………………………………………………………5
2.2. HYDRAULIC SYSTEM:……………………………………………………………………………………………………….6
2.3. GENERAL FEATURES AND TECHNICAL DATA …………………………………………………………………..7
2.4. TRANSPORT AND HANDLING……………………………………………………………………………………………7
2.5. TRANSPORT…………………………………………………………………………………………………………………….9
2.6. LIFTING ……………………………………………………………………………………………………………………………9
3 GENERAL SAFETY STANDARDS…………………………………………………………………………………………..10
3.1. WARNING AND SAFETY PLATES AND DECALS………………………………………………………………..10
4 GENERAL STANDARDS ……………………………………………………………………………………………………….11
4.1. OPERATOR AND THIRD PARTY SAFETY …………………………………………………………………………11
4.2. START-UP SAFETY…………………………………………………………………………………………………………11
4.3. OPERATING SAFETY………………………………………………………………………………………………………12
4.4. SAFETY STANDARDS FOR STOPPING AND PARKING ……………………………………………………..13
4.5. HANDLING AND LIFTING …………………………………………………………………………………………………13
4.6. LIFTING DIAGRAM ………………………………………………………………………………………………………….14
4.7. LIFTING CAPACITY (daN) ………………………………………………………………………………………………..15
5 OPERATOR CONTROLS……………………………………………………………………………………………………….15
5.1. DRIVER’S SEAT ………………………………………………………………………………………………………………15
5.2. SEAT BELTS …………………………………………………………………………………………………………………..16
5.3. CONTROL INSTRUMENTS AND AUXILIARIES…………………………………………………………………..16
5.4. FUSE BOX………………………………………………………………………………………………………………………18
5.5. START-UP………………………………………………………………………………………………………………………20
5.6. STOP 21
5.7. MACHINE MOVEMENT CONTROLS………………………………………………………………………………….22
5.8. TRAVELLING AND STEERING………………………………………………………………………………………….23
5.8. TRAVELLING AND STEERING………………………………………………………………………………………….23
5.9. MOVEMENT OF 1st ARM AND EXCAVATOR BUCKET ……………………………………………………….24
5.10. MOVEMENT OF 2nd ARM AND ROTATION ……………………………………………………………………….25
5.11. REFILLING BLADE MOVEMENT……………………………………………………………………………………….26
5.12. USE OF PEDAL CONTROLS…………………………………………………………………………………………….26
5.13. EMERGENCY CONTROLS AND MONOEUVRES………………………………………………………………..28
5.14. USE 28
6 EQUIPMENT AND ACCESSORIES…………………………………………………………………………………………32
6.1. REPLACEMENT OF STANDARD BUCKETS……………………………………………………………………….32
6.2. QUICK HITCH: BUCKET MOUNTING AND REPLACEMENT ………………………………………………..33
6.3. HYDRAULIC POWERED TAKEOFF (P.T.O)………………………………………………………………………..36
6.4. LIST OF RECOMMENDED BREAKERS TO BE USED ON THE ARM…………………………………….39
6.5. STANDARD EQUIPMENT: ………………………………………………………………………………………………..39
6.6. OPTIONAL EQUIPMENT…………………………………………………………………………………………………..39
6.7. CAB 40
7 ROUTINE MAINTENANCE …………………………………………………………………………………………………….42
7.1. PRELIMINARY INFORMATION………………………………………………………………………………………….42
7.2. GREASING POINTS…………………………………………………………………………………………………………43
7.3. MACHINE STOPPED DUE TO INACTIVITY………………………………………………………………………..44
7.4. MACHINE STOPPED DUE TO INACTIVITY………………………………………………………………………..44
7.5. PARTICULAR USAGE CONDITIONS …………………………………………………………………………………44
7.6. TRACK TENSION CONTROLS AND ADJUSTMENTS………………………………………………………….46
8 MACHINE USE……………………………………………………………………………………………………………………..48
8.1. OPERATIONAL PROBLEMS AND ANOMALIES ………………………………………………………………….48
8.2. REFILLING, VERIFICATIONS AND CONTROLS………………………………………………………………….49
8.3. FUEL SUPPLY SYSTEM…………………………………………………………………………………………………..51
8.4. DIESEL ENGINE PURGING………………………………………………………………………………………………52
8.5. HYDRAULIC SYSTEM………………………………………………………………………………………………………53
8.6. DIESEL ENGINE MAINTENANCE ……………………………………………………………………………………..55
8.7. ENGINE AIR FILTER REPLACEMENT ……………………………………………………………………………….55
8.8. CHECKING TIGHTNESS OF NUTS AND BOLTS…………………………………………………………………55
8.9. HYDRAULIC SYSTEM PRESSURE CALIBRATION ……………………………………………………………..56
8.10. BATTERY ……………………………………………………………………………………………………………………….57
8.11. REFILLING TABLE…………………………………………………………………………………………………………..58
8.12. MAINTENANCE TABLE…………………………………………………………………………………………………….59
9 PROBLEMS: CAUSE AND SOLUTION…………………………………………………………………………………….60
9.1. ENGINE ………………………………………………………………………………………………………………………….60
9.2. HYDRAULIC SYSTEM………………………………………………………………………………………………………61
10 MAINTENANCE NOTES ………………………………………………………………………………………………………..64
