Takeuchi TKB402-S Hydraulic Hammer Operators Manual

On a busy jobsite, this hydraulic hammer spends its life breaking concrete, rock and hard ground, often on uneven surfaces with poor visibility around the tool. This operators manual helps you run the TKB402-S the way it was designed to work: how to set it up on the carrier, use the controls correctly, and recognize when something sounds or feels wrong. For example, if the hammer starts “blank firing” into the air or feels weak in hard material, this book guides you on what to check before you damage the tool or the carrier.

Applications & Use Cases

• Daily pre-start checks so you can spot leaks, loose hardware or tool wear before you start breaking.
• Correct operating technique to avoid side-loading the tool when working on slopes or uneven rock.
• Load awareness tips to keep the hammer productive without overstressing the carrier’s hydraulics.
• Troubleshooting poor performance by helping you trace whether the issue is in the hammer or the machine.
• Guidance for new operators so they learn safe, consistent habits instead of abusing the attachment.

FAQ

Q: Can I keep a digital copy of this manual on my phone or tablet for site use?

A: Yes, you can; just make sure it’s saved offline so you can access procedures even without a signal.

Q: Is it worth printing parts of this manual for the cab?

A: Many operators print the key operating and daily check pages, laminate them, and keep them in the cab for quick reference.

Safety Note

Always follow the manual’s operating limits and keep people clear of the hammer’s working area before you strike.

Takeuchi TKB402-S Hydraulic Hammer Index:

Operation …………….. …..
Foreword
Thia manual-…..-
4
Important cafety information .
Warranty .
Spare part order:.
Product numbers.
Model and aerial number
Manufacturer .
Copyright notice
Modificationc and corrections to the product
8
Product introduction .
.o
Overview
Rernoval from package
Lifting instructiona .
Main part’.
11
Safety .
. 12
General safety
12
Safety instructions
13
Operation.
. 22
22
Operating inctructionc
Daily operation .
24
Mounting and dismounting the harnmer
30
Turning harnmer left- or right-handed
. 31
33
Movement….
Special conditions of use..
34
Storage
34
Lubrication ……………………………. 35
Hammer tool greacing.._
36
Recommended greacec .
Manual greacing.
. 37
Carrier hydraulic oil
38
Requirernentc for hydraulic
38
Oil cooler…
Oil filter.
_ 41
Maintenance 43
Routine maintenance.
44
lncpection and maintenance
by the operator–
lncpection and maintenance by the dealer-. 45
Maintenance intervalc
in cpecial applicationa .
45
Other maintenance procedurec
Changing the tool
Wear limit and lubricant for tool removal.. 46
Rennoval of tool .
. 47
lnctallation of tool bushing
Troublechooting
The hammer doec not start.
The hammer operatec irregularly
but the blow hac full power
The hammer operatec irregularly
and blow hac no power…
Impact rate Slowc down.
The hammer doez not atop
or haa run-on
Oil overheat……….
Recurrent tool failure.
Further accictance.
Specifications………………………
Hammer cpecificationc
Technical specifications
Main dimencionc
Mounting bracket cpecificationc.. .
Tool cpecificationc.

Weidemann