Gravely 985112 Lawn Mower User Manual


 
7 -27
18.Install the pinned gear and differential gear on the
pinned housing and install it on the worm gear. Use
new drilled bolts (4 Speed Swiftamatic); clean bolts
and apply a stud locking preparation to the bolt
threads. Torque bolts to 17-20 ft-lbs (23 - 27 Nm)
19.Turn worm gear over and install the clutch housing,
with differential gear, shifting gear and shims on
the worm gear. Torque bolts to 20 ft-lbs (27 Nm).
Replace with new bolts.
20.Check end play of shifting gear .00 - .010
maximum. Remove clutch housing and adjust
shims as necessary. Torque bolts to 20 ft-lbs (27
Nm).
21.For the 4 Speed Swiftamatic, insert wire through
one bolt head, cross and insert through other, then
twist ends together securely. Trim twist to 1/2 inch
length. Repeat, securing other bolts on other side
of gear (Figure 27).
22.Install differential on L.H. axle in L.H. axle housing.
(Pinned housing side of differential assembly in
axle housing.) Be sure thrust pin is in place in the
differential assembly so it will be between the
axles.
Figure 25
Figure 26
Figure 27
1. Arm Shifter
2. Stationary Pivot
3. O-Ring
4. Shifting Yoke
5. Clutch Sliding Pin
6. Straight Differential
Locking Axle
7. Seal
8. Sliding Differential
Locking Clutch
9. Housing Axle
10.Straight Axle
2-Speed Right Hand Axle
2-Speed Left Hand Axle
1
2
3
4
5
6
7
8
9
10