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l
BREAKER STRIKE IS WEAKER THAN NORMAL
l
BREAKER STRIKE IS WEAKER THAN NORMAL
Incorrect flow and/or pressure available from power pack
Check power pack
–
see power pack manual.
Possible loss of gas in accumulator
See section 9.5
Excessive wear and/or damage to moving parts
。
Partial
seizure of moving parts due to ingress of dirt.
Breaker will require stripping and repairing.
l
BREAKER STRIKES SLOWLY, QUICKLY, OR IRREGULARLY
Possible faulty poppet valve
Remove and check
Incorrect oil flow
Check hydraulic power pack.
Worn or damaged
‘
O
’
rings on oscillator housing.
Dismantle and replace.
Trigger is not fully depressing starter spool.
Check trigger for distortion.
Contamination in oscillator spool
Dismantle and check.
Routine Servicing
The breaker is self-lubricating and requires no routine servicing other
than daily cleaning and checks for oil leaks.
Daily clean the handles and ensure they are free of grease and oil.
Daily Routine checks should also be made to ensure the tool latch is
not worn and engages fully to hold the tool steel in place.
General
The internal moving parts in the breaker and their associated
assemblies are machined to a very high degree of accuracy and finish.
On certain items the degree of accuracy of fit necessitates selecting
parts to make up a matched assembly and may only be available as
matched sets.
To ensure continued reliability, servicing should only by carried out by
a skilled fitter who is experienced in working on hydraulics
components.
It is recommended that a purpose built support stand, bolted to the
floor, incorporating an oil tray and hexagon stem to support the
7. SERVICING AND MAINTENANCE
