5.2 Oil Replacement
Gear lubrication is an important component in insuring the long service life of
your chain hoist. The type of lubricant will have a great influence. Chain hoist
are pre-lubricated at the factory and do not require initial lubrication.
Re-lubrication interval depends upon service. Consult your local lubricant
distributor on the selection that best fits your climate and application.
●Load Chain:
For longer life, the load chain should be lubricated with ISO VG 220 or
equivalent extreme pressure (EP) lubricating oil.
The chain should be lubricated every week for normal usage.
●Hook and Suspension Components:
Hooks and suspension components should be cleaned and lubricated ISO
VG 220 or equivalent extreme-pressure (EP) lubricating oil at least twice per
year for normal usage.
●Gear box:
Using incorrect type/grade of gearbox oil or the wrong quantity of oil may
prevent the hoist from working properly and may affect the ability of the hoist
to hold the load.
Gear box should be cleaned and lubricated with ISO VG460 synthetic gear
lube for 100 working hours for an initial lubrication and at least once per
months for normal usage.
It requires 250 CC oil in quantity for every time changing.
●Clean and lubricate more frequently for heavier usage or severe
5.1 Carbon Brush Replacement
WARNING
Clean the accumulated powder of carbon brush
periodically to ascertain the insulation resistance
up to 1 MΩ.
●It is essential to check the carbon brush periodically. If its length is left less
than 7.5 mm resulting from wear, it is absolute necessary to replace carbon
brush immediately.
●While replacing, smoothly insert carbon brush into carbon holder in the first
place, then put brush cap into the hole.
●Before tightening the carbon brush holder, make sure to position O-ring.
●A set of carbon brush consists 2 piece of carbon brush. Ascertain to replace
2 pieces of carbon brush on opposite sides of winch body at the same time.
7.5
17
Carbon brush
carbon brush
5. Maintenance and replacement
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