Service
17
MPS9 (Rev. 4/20/2007)
CUTTING WHEEL & GEARBOX
DISASSEMBLY
1.
Follow Steps 1 through 5 of Cutting Wheel &
Gearbox Removal.
2.
Support the cutting wheel and gearbox assembly
on a flat surface.
3.
Remove the 9 bolts, nuts (5), and their associated
washers that attach the cutting wheel to the
gearbox as shown in Figure 14.
4.
Remove the cutting wheel from the gearbox.
Figure 14
.
CUTTING WHEEL & GEARBOX
ASSEMBLY
1.
Place the gearbox on a flat surface so the motor
mount holes are facing down.
2.
Carefully place the wheel over the pilot surface of
the gearbox so when viewed from above the picks
are oriented as shown in Figure 14.
3.
Align the holes in the wheel with the corresponding
holes in the gearbox mounting flange.
4.
Install six bolts and their associated washers.
5.
Torque the bolts and nuts to the appropriate values
listed on page 36.
CUTTING WHEEL & GEARBOX
INSTALLATION
1.
Support and anchor the cutting wheel and gearbox
(6) vertically.
Figure 15
.
2.
With the depth jack (MD, Manual Depth) or depth
cylinder (HD, Hydraulic Depth) fully retracted and
the chassis properly supported by a hoist, lower
the chassis over the cutting wheel cautiously until
the gearbox mounting flange is aligned with the
mount on the side of the chassis.
3.
Align the holes in the gearbox with the
corresponding holes in the mount plate so the
motor mount holes are roughly in the 3 o’clock and
9 o’clock positions as shown in Figure 16.
4.
Torque the bolts to the values shown on page 36.
5.
Install the six gearbox mounting bolts and washers
(7) as shown in Figure 16.
Figure 16
.
6.
Torque the bolts to the values shown on page 36.
7.
Insert the motor in the gearbox motor mount. Install
the two bolts, washers and O-ring (8) as shown in
Figure 17.
8.
Torque the bolts to the values shown on page 36.