Vehicle System
Disassembly & Assembly
12
2.
Find narrowest point by ruler on the inner mast in
the area where the bearings make contact.
3.
Install enough shims (4) that have been divided
into two equal groups behind bearings (3). At
installation, there is to be contact [zero clearance
(A)] between the bearings and the narrowest point
of inner mast.
4.
Do step 2 through 3 for other sets of bearings
(8),(9).
(Typical Example)
(Typical Example)
5.
Tighten screw (5) that holds the top bearings to
the carriage to a torque of 34±7 N
•
m (25±5 lb
•
ft).
(Typical Example)
6.
Position chains (6) on the carriage. Install pins (7)
and the roll pins.
End By:
a.
Install carriage, raise the inner mast and insert the
carriage from the bottom of inner mast.