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Table 3 - Troubleshooting Chart, Cutter Hydraulic Components
Symptom
Possible Cause
Solution
Maint. Level
1. Piston does not
advance.
Low hydraulic oil level.
Check oil level. Add oil if low.
Operator
Directional lever not set to
advance position.
Move lever to advance position.
Operator
Max. pressure valve dirty or
requires replacement.
Clean or replace max. pressure valve.
Service Center
2. Piston does
not fully
advance and/or
movement is
jerky.
Low hydraulic oil level.
Check oil level. Add oil if low.
Operator
Air bubbles in the hydraulic
circuit.
Operate tool through several full cycles
to bleed air. Check oil level and add
oil if low.
Operator
Max. pressure valve open.
Clean or replace max. pressure valve.
Service Center
Piston gasket worn.
Replace piston gasket.
Service Center
Pump malfunction.
Repair or replace pump.
Service Center
3. Tool performs
with insufficient
force.
Max. pressure valve open.
Replace pressure valve.
Service Center
Piston gasket worn.
Replace piston gasket.
Service Center
Pump malfunction.
Repair or replace pump.
Service Center
4. Oil leakage from
oil reservoir.
Reservoir diaphragm faulty.
Replace reservoir diaphragm.
Service Center
(Refer to Table 2 for electrical component troubleshooting.)
