161. Operator's Platform
a. Removal.
(1)
Remove the bolts, lockwashers, and nuts attaching the brake pedal pads to the brake pedals. Remove
the brake pedal pads.
(2)
Unscrew the sprinkler tank pedal pads from the pedals.
(3)
Disconnect the sprinkler linkage on the bottom part of the operator's platform (5).
(4)
Remove the hex head screws (2), lockwashers (3), and nuts (4) attaching the operator's platform (5) to
the top cover (1).
(5)
Remove the carriage bolts (9), lockwashers (3), and nuts (4) attaching the operator's platform (5) to the
platform supports (7).
(6)
Lift up and remove the operator's platform (5).
(7)
Remove the platform spacers (6).
(8)
Remove the carriage bolts (9), lockwashers (3), and nuts (4) attaching the brackets (8) to the supports (7).
(9)
Remove the brackets (8) and supports (7).
b. Cleaning. Wash all parts in cleaning solvent and blow them dry with clean compressed air. Clean the mounting
screw and bolt threads with cleaning solvent and stiff wire brush. Remove all dirt, sludge, and foreign matter from the top
and bottom of the operator's platform.
c.
Inspection and Repair.
(1)
Inspect the operator's platform for breaks, cracks, elongated mounting holes, and warpage. Weld minor
breaks and cracks. Replace the operator's platform if badly warped or broken.
(2)
Check the supports and brackets for twisting, breaks, cracks, and warpage. Weld minor breaks and
cracks. Replace the supports and brackets if badly cracked or warped.
(3)
Inspect all mounting screws, bolts, and nuts for corroded, worn, damaged, stripped, or galled threads.
Replace all defective mounting screws, bolts, and nuts.
1
Back rest cushion
7
Back rest brace
2
Studs, 3/8-16NC x 1 3/4 (8 req'd)
8
Brace, right hand
3
Nuts, square, 3/8-16NC (10 req'd)
9
Seat cushion
4
Washers, lock, std, 3/8 (10 req'd)
10
Seat base
5
Back rest bracket
11
Brace, left hand
6
Bolts, plow, No. 3 x 1 (2 req'd)
Figure 73--Continued.
185
