Mast, 3 Stage
PS S7.1 7110
F-code Section C-code
Version no T-code
001 OE35
275
Service Manual 1996-10-15
© BT Products
2. Three Stage Mast
2.1. Removal
1. Disconnect battery and remove from unit.
2. The truck will have to be hoisted and blocked 6 in.
off the floor before work can begin.
3. Attach a hoist to top of platform and raise platform
to loosen lift chains.
4. Remove chain anchor pins, steering wheel chain,
and electrical cable. Hydraulically raise inner
column enough to remove platform. Lower platform
down and out inner column and set out of way.
5. Attach a hoist to top of mast through all three mast
columns.
6. Before disassembling hoses and fittings from
cylinders, make sure cylinders are down and
thoroughly clean off all outside dirt around fittings.
After disconnecting hose, immediately cap ports on
both cylinder and hoses.
7. Disconnect electrical cable and attachment
hydraulic hoses from mast.
8. Remove four mast mounting bolts and hoist to
remove mast from unit.
Always make sure unit is on level surface
before work can begin.
WARNING
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