Vehicle System Disassembly & Assembly 11
STD Mast
Disassembly
Start By :
a. Remove mast.
1. Remove hose (1) and bracket (2).
2. Remove hose (3), flow protector (4) and flow
regulating and bracket assembly (5) from outer
mast channel.
3. Bend back the plate (7) supporting nut (6) not to
be loosened. Remove nut (6), plate (7), spacers
(8), pad-rubber (9) and clamp assembly(10) if
they were installed.
4. Remove grease pipe if it was installed.
5. Remove bolt (12) and washers.
6. Remove bolts (13), washers and nuts.
7. Attach hoist to lift cylinder (14).
8. Remove lift cylinder (14). The weight of the
cylinder is 171 to 400 kg (377 to 881 lb). Mark for
identification and remove the shims at top of
cylinder (14).
NOTE : At installation, adjust both lift chains with the
same tension. Run the mast to full lift. If mast does
not kick to either side, no shimming is required. If
mast does kick to one side, disconnect cylinder from
support assembly on that side. Add shims to
reassemble Repeat this process until “kicking” is
corrected.
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