15
ST1-075A Ia 12/98
Lubricate three grease fittings on motor end every
ten hours with Multi Purpose Grease (Figure 16).
Lubricate grease fitting on U-joint every 40 hours
(Figure 16). Rotate auger so that grease fitting is
visible. Wash or clean debris from around the
grease fitting before filling with grease. A grease
gun with a rigid 10 inch long extension is required.
Use multi purpose grease complying with
MILG10924D, national stock number
9150-00-935-1017 (MIL-C-22582).
Disassembly procedures
Disassembly is performed after unit has been
removed from host vehicle.
Auger Removal (item 8, Figure 17)
Remove screens (item 13). Remove the three (3)
3/8-NC capscrews (item 12). Remove the U-joint
bolt (item 9) and locknut (item 10). Auger can
then be removed by pulling out outlet side.
Screen Support Removal
(item 11, Figure 17)
Elastomer Spring Removal
(item 5, Figure 17)
1.
Remove the bolts holding the screen to the
screen support. Lift off screen (item 13).
2.
Remove the nuts holding screen support (item
11 or 7) to isolators (item 14).
3.
Remove cap nut (item 1) and lock nut (item
2).
4.
Remove washer (item 3), spacer ring (item 4)
and elastomer spring (item 5).
5.
Remove screen support frame (item 11).
6.
Remove second elastomer spring, spacer ring
and washer.
7.
Reassemble in reverse order. Lock nut (item
2) is to be tightened to end of thread for
correct preload. Torque to 34-40 lb/ft using a
standard torque wrench. Replace cap nut and
torque to 20-30 lb/ft.
Push rod boot (item 15) is replaced utilizing the
above procedure.
Remove screens (item 13). Remove the eight
nuts (item 6). Next remove the thread protector
nut (item 1) from push-pull rods. Remove nut
(item 2) and then items 3, 4, and 5. Lift out the
support leaving the push-pull rods in place.
Lubrication
Figure 16
OM0390
Grease Fitting on U-joint
to be filled every 40
hours with multi purpose
grease
pressure
return
3 grease fittings to
be filled after 10
hours with multi-
purpose grease
