Instruction Manual

Symptom

Possible causes

Remedies

Fail to hold the

load after

stopping

The gap of ratchet brake is too large

Adjust the ratchet brake

Malfunction of pressed spring of ratchet brake

Replace pressed spring

The oil is too dirty or includes contamination Replace oil

Having too much oil in gear box

Reduce the quantity of oil

Brake distance is

too long at no

load

Malfunction of D type resistor Check or replace D type resistor

Having smell or

smoke

Malfunction of pressed spring of ratchet brake

Replace pressed spring

Burnt D type resistor Replace D type resistor

Malfunction of B contact of the pendant switch

Replace pendant switch

Too noise whiling

lifting

The noise result from the click between ratchet

stopper and wheel

It is normal