20
6 Month/Yearly Service Checks
Perform the service checks in Table 4-2 every 6 months or every 12 months, as
indicated.
Table 4-2. 6 Month/Yearly Service Checks
Service Check
Every
6 months
Every
12 months
Check chain assemblies for split
leaves, loose pins, excessive
wear, or elongation.
Verify that cage is securely bolted
to lift mast.
Check that slide blocks and their
paths are clean and lightly
lubricated with a dry silicone
lubricant.
Verify that all safety decals are
present and legible.
Check for wear on chain
sheaves, sheave axles, and
bearings.
Check caster axle and swivel
bolts for wear.
Check casters for cracks or
excessive wear.
Lubricate lift chains with 40-
weight oil.
Check hydraulic UP and DOWN
valves operation.
Clean battery terminals.
Check operation of emergency
lowering valve.
Grease rear caster swivel bolts,
axles and wheels.
Grease steering linkage pivot
bolts.
Grease front caster pillow blocks.
Check battery cables and wiring
for loose connections and
damaged wires.
Replace hydraulic oil.
Check slide blocks for wear.
Check for mast sway.
Load test with 450 pounds.
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