Global 989021, Operation, Maintenance, Repair Parts List

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8-2 BL-GL22-1119 - 11-20-2019
8-3. LIFT CHAIN WEAR INSPECTION.
The lift chain should be replaced when it is worn
enough to increase it’s length by 3% or more. On Tele-
cospic trucks, Both chains should be replaced at the
same time. To make this determination proceed as fol-
lows.
Using a section of chain that sees the most frequent
operation over the chain sheaves, isolate a vertical
portion under tension from the weight of carriage and
forks.
Measure the distance between pin centers on 20 verti-
cal links. If the section measures 12.88” or more, the
chain should be replaced.
New chain anchor pins should be installed when
chains are replaced. Never replace a partial section of
chain and never repair chain. Refer to paragraph
8-4.
when installing new chain.
8-4. LIFT CHAIN REPLACEMENT.
1. With the lift truck wheels securely blocked, raise
the forks approximately three feet from floor and
position blocks or strong supports under the lift
carriage.
2. Lower lift carriage onto the support. Check that
arrangement is secure before proceeding.
3. Engage the emergency stop switch and turn off
key switch.
WARNING: Before attempting any replacement,
make certain power is disconnected.
4. Remove cotter pin, washer and clevis pin con-
necting chain to adjusting screw.
5. Remove cotter pin, washer and clevis pin con-
necting chain to anchor.
6. Remove chain from sheave.
7. Position new chain on sheave.
8. Secure chain to anchor with clevis pin, washer
and cotter pin.
9. Connect the opposite end of chain to adjusting
screw with clevis pin, washer and cotter pin.
10. Adjust the chains according to paragraph 8-2.
11. Disengage the emergency stop switch and turn
on key switch.
8-5. LIFT CYLINDERS.
NOTE: Removal and repair of lift cylinders are cov-
ered in SECTION 9 .