21
Service and Repair Manual
Model 900/950/990
General For best performance hammers should be serviced at regular intervals, any indication that the
hammer is not performing as specified should be investigated to prevent any adverse damage
occurring.
ALL SEALS, GASKETS, GREASE OR OTHER PARTS DEEMED NECESSARY FOR
SERVICING ARE IN THE SERVICE KIT.
ALL NEEDLE ROLLER BEARINGS SHOULD BE PRESSED WITH THE ROUNDED
EDGE ENTERING THE BORE FIRST, AND THE INSERTION TOOL PRESSING
AGAINST THE FLAT SURFACE OF THE BEARING.
Cleaning All mechanical parts with the exception of any sealed bearings should be cleaned in a suitable
cleaning fluid. Electrical parts should be cleaned by the use of compressed air.
PRECAUTIONS MUST BE TAKEN FOR PERSONAL SAFETY THE USE OF EYE
PROTECTION AND GLOVES IS RECOMMENDED.
Inspection All mechanical and electrical parts should be inspected for wear and replaced as required.
Lubrication At service and repair intervals the lubrication should be carried out as shown in the diagram below.
(950 model) All parts in the service kit should be fitted. The total amount of grease for the 900 is
170gm., for the 950 model 225gm. Lubrication of the hammer is as shown on the grease charts.
SCREWS ARE TO BE REFITTED USING LOCTITE
®
271 OR SIMILAR
Liberally coat
Generously apply
Pack
GREASE APPLICATION CODE
Use grease Part No. 9170 3108 00 (85gm sachet)
Total quantity 225gm (3 sachets)
(5gm)
(5-10gm)
Place 5gm of
grease on
piston crown
After assembly
apply 35-40gm
(40gm)
Fill flutes level
with grease
(5-10gm)
Remaining
grease after
lubrication of all
other parts
(approx. 60gm)
(5-10gm)
Fill using
grease
gun after
assembly
(10-15gm)
SDS
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