Wen 61635, Operator'S Manual

Problem

Possible Causes

Solution

Tool does not start or 
lacks power.

Piston (Part No. 61635-021) is 
jammed/rusted in the housing 
due to a lack of lubrication oil

Add a few drops of oil into the connection 
hose and into the attachment receiver. 

Press the piston back with a striking bolt 
through the attachment receiver.

dirt has penetrated through the 
air hose.

Have the tool checked and serviced by a 
qualified service technician.

Too much lubricating oil.

Wipe clean any excessive oil or water, and 
run the tool briefly without an attachment.

Water has entered the striking 
mechanism.

Pressing force too high.

Lubricate the attachment receiver and adjust 
the operating pressure on the air compressor 
regulator.

Output power of the air source 
too low.

Adjust the operating pressure on the air 
compressor regulator, or use a higher output 
air source.

Attachment no longer 
latches into the attach-
ment receiver or does not 
lock into place.

Attachment or attachment 
receiver worn out. (Most often 
caused by excessive pressure or 
no-load strokes).

replace the attachment and have the attach-
ment receiver serviced by a qualified service 
technician.

Locking sleeve stuck, 
preventing attachment 
from being installed or 
removed.

dirt in the locking sleeve.

Have the tool checked and serviced by a 
qualified service technician.

Tool operates continu-
ously without pressing the 
trigger

Valve defective.

Have the tool checked and serviced by a 
qualified service technician.

Ghost in the tool.

Persuade ghost to leave.

TrOuBLESHOOTiNG GuidE

IMPORTaNT:

 Servicing of the tool requires extreme care and knowledge and should be performed only by 

a qualified service technician. 

WaRNING: 

Stop using the tool immediately if any of the following problems occur or risk serious 

personal injury. repairs and replacements should only be performed by authorized personnel. if 
you have any questions, please contact our customer service at (800) 232-1195, M-F 8-5 CST.

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