Enerpac L1697, Instruction Sheet

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Removing Puller from Lift Cart (100-Ton Pullers only)
1. Support puller weight using the lifting brackets provided.
2. Close the puller hoist vertical control valve.
3. Disconnect the puller hoist hose coupler at the control panel.
4. Remove the (2)
1
/
2
" bolts that fasten the locking plate to the puller lift bracket.
5. Remove the puller from the cart by rotating the cart while keeping the puller
stationary.
Maintenance (100-Ton Pullers only)
Keep slide rollers and mast clean and lubricated with light machine oil. Note that a small
amount of oil seepage from the breather vent on the hoist cylinder is normal.
Troubleshooting (hydraulic puller models only)
(7)
Problem
1. Cylinder will not advance
2. Cylinder advances partly
3. Cylinder advances in spurts
4. Cylinder advances slower than
normal
5. Cylinder advances but will not hold
pressure
6. Cylinder leaks oil
7. Cylinder will not retract or retracts
slower than normal
Possible Cause
A. Pump release valve open
B. No oil in pump
C. Air in hydraulic system
D. Couplers are not fully tightened
E. Blocked hydraulic line
A. Oil level in pump too low
B. Cylinder’s plunger binding
A. Air in hydraulic system
B. Cylinder’s plunger binding
A. Leaking connection
B. Restricted hydraulic line
C. Loose coupler or fitting
A. Seals leaking
B. Leaking connection
C. Pump malfunction
A. Worn or damaged plunger
B. Leaking or loose connection
C. Internal leakage
A. Pump release closed
B. Coupler not fully closed
C. Blocked hydraulic line
D. Pump reservoir over-filled
E. Cylinder damaged