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USER MANUAL
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Red Rooster Lifting Limited
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Nauta House, The Meadows, Oldmeldrum, Aberdeenshire, AB51 0EZ
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Tel: +44 (0) 1651 872101
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M01-AH27 REV2
OPERATIONAL BREAKDOWN / TROUBLESHOOTING THE TMH HOIST
8.1
We list below a number of faults which may occur during use, together with the probable cause and the cure. If you experience a fault and
cannot identify the cause, or if you do not feel confident to remedy the fault, please revert to your hoist supplier
Description of fault noted
Possible cause of fault
Remedy
Does not operate (Valve does not work) Lack of air pressure
Damage of Pendant hose
Foreign material is stuck in pendant or piping part
Rust of valve part
Limit shaft is stuck by rust
Over tightening assembly bolts of valve body
Damage of O-ring in Valve part
Adjust air inlet pressure (6 Bar)
Replace pendant hose
Remove the foreign material
Replace the defect part
Replace Limit shaft, Limit shaft bush
Re-tighten bolts with right torque
Replace damaged O-ring
Does not operate (Valve works)
Lack of air pressure
Incorrect assemble of Valve bush
Defective part in Motor
Defective part in Gear
Brake is not released due to damage on O-rings
and packing
Adjust air inlet pressure (6 Bar)
Reassemble Valve bush
Replace part
Replace part
Replace defective O-ring, gasket
Lifting and lowering speed is slow
Lack of air pressure
Hose is too long, or size is small. Or air
pressure loss due to using quick coupler
Foreign material is stuck in pendant or piping part
Incorrect assemble of Valve bush
Damage on Pendant hose
Lack of Oil
Silencer parts are clogged
Defective parts in Motor
Defective parts in Gear
Brake is not released due to damage on O-rings
and packing
Air pressure for Valve releasing is not enough due
to using long pendant hose
Adjust air inlet pressure (6 Bar)
Adjust hose length, or change hose and piping part
Remove foreign material
Reassemble Valve bush
Replace Pendant hose
Adjust quantity of oil
Clean each silencer or replace
Replace defect part
Replace defect part
Replace defective O-rings and packing
Adjust the set up for long pendant hose
Operation does not stop despite
releasing pendant lever or cord
Over tightening of valve body assembly bolts
Limit shaft function is disturbed due to rust etc.
Damage on O-ring in Valve part
Re-tighten bolt
Replace Limit shaft, Limit shaft bush
Replace defective O-ring
