Hyster MAST N30XMH, Руководство по ремонту

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4000 SRM 482 Load Backrest Extension, Carriage, Load Rollers, Side Rollers, and Forks
1. LOAD ROLLER (4
OR 6)
2. CHAIN ANCHORS
3. INNER FRAME
4. SHIMS
5. SNAP RING
6. SIDE ROLLER
7. THRUST ROLLER
8. SPACER
9. WASHER
10. GREASE FITTING
11. WEAR PLUG
Figure 3. Inner Frame Assembly (Reach
Carriage)
WARNING
Lift chains, hoses, and cables can roll over the
sheaves to fall and cause an injury if the ends
are not fastened. Keep control of the ends of
the lift chains, hoses, and cables as they are
removed. Use wire to connect the ends of the
lift chains, hoses, or cable temporarily to the
masts.
6. On three-stage masts, remove the safety chains
installed in Step 4. Lower the carriage assembly
for access to the chain anchors at the back of the
free-lift cylinder. Use safety chains to fasten the
movable member of the mast to the outer weld-
ment so that it cannot move. Move the key to the
OFF position and disconnect the battery.
7. On reach units, install lifting eyes in the carriage
assembly for chains or slings. Fasten chains or
slings to the carriage assembly so the carriage
cannot tip as it is removed from the mast weld-
ment. Fasten the chains to the lifting eyes on
reach units. Fasten the chains or slings to the
carriage frame on standard units. Use the crane
to raise the carriage assembly so the lift chains
become loose.
8. Disconnect the hydraulic lines (sideshift or reach
only) at the carriage. Put tags on the fittings
for correct connection during installation. Make
sure to put caps on the open fittings to keep dirt
out of the system. Disconnect the electrical con-
nections (reach only) at the selector valve.
NOTE: Removing the pins at the chain anchors
will disconnect the lift chains without changing the
chain adjustment. Always adjust the chains if new
lift chains or other components are installed.
9. Hold the lift chains to keep them from falling.
Remove the pins in the chain anchors at the back
of the outer weldment of two-stage masts. Re-
move the pins in the chain anchors at the back
of the free-lift cylinder of three-stage masts.
Disconnect the lift chains. Carefully move the
lift chains through the sheaves and lay the lift
chains over the carriage.
WARNING
The carriage assembly is heavy and can cause
an injury if it tips or falls. Make sure the car-
riage assembly has stability during and after
removal.
CAUTION
Do not damage lift chains, hoses, or electrical
cables as the carriage assembly is lifted out of
the mast weldment.
10. Carefully lift the carriage assembly out of the
channels of the inner weldment. Carefully lower
the carriage assembly to the floor.
WARNING
Make sure that the carriage has stability and
cannot fall to cause an injury. If the forks are
removed, put the carriage on the floor so that
the load rollers are up.
NOTE: The carriage side rollers must be adjusted
while the carriage is out of the mast. Adjust the side
rollers as described in Adjust Side Rollers - Carriage
before installing the carriage.
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