Hi-Force JCS30 Gebruiksaanwijzing - Pagina 10

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Hi-Force JCS Jack's should be serviced and repaired only by authorised Hi-Force repair centres. The

following table gives possible causes and solutions for common problems.

Problem

1. Piston will not

advance, advances

part way or erratically.

2. Piston advances, but

will not hold.

3. Jack leaks oil.

4. Piston will not retract

or retracts slower than

normal.

Operating Instruction Manual:

9.0 Trouble Shooting

TROUBLESHOOTING GUIDE

Possible Cause

a. Release valve open.

b. Load is too heavy for jack.

c. Oil level is low.

d. Piston binding.

e. Jack seals leaking.

a. Load is too heavy for jack.

b. Piston seals leaking.

a. Worn or damaged seals.

b. Jack damaged internally.

c. Jack over-stroked.

a. Release valve is closed.

b. Oil reservoir over-filled.

c. Weak or damaged retraction spring.

d. Damaged or worn seals.

e. Jack damaged internally.

OM-JCS-01

Solution

Close release valve.

Use suitably rated jack.

Add oil to the reservoir. (See Section 5.2 )

Repair or replace jack.

Use suitably rated jack.

Repair or replace jack.

Repair or replace cylinder.

Stop operation and wipe away excess oil.

Open release valve. (See section 6.2)

Drain excess oil from reservoir.

Repair or replace jack.

Serial Number:

ALL