MCi Crusader II 1989 Maintenance Manual page 465

Date
1-1-89 Page . __
1_s_-6 _ _ _
"MC-9 MAINTENANCE MANUAL
Figure 15-12. Installing Second Bead.
6. Using spoon end of tire tool with stop toward rim. take
small bites until bead slips over flange. If necessary, insert
second tire tool and lubricate last 6" (152 mm) of bead before
completely mounting (figure 15-12). Inflate tire to recommended
pressure. Examine valve assembly occasionally to avoid leaks.
SAFETY PRECAUTION
Use only rims free from damage. rust or pitting.
FRONT AND TRAILING WHEELS
Front wheel and trailing wheel hubs use oil lubrication
which eliminates periodic repacking of the hubs.
A
sight glass
is provided for convenient check of oil level which should be
checked daily; if not visible in the sight gauge level mark.
sufficient SAE 30 engine oil should be added through the com-
position snap plug at the center-ol the hub cap to bring level to
the correct point.
BEARING .ADJUSTMENT
To adjust the wheel bearings:
1. Remove capscrews, lockwashers. hub cap. and gasket.
18
16
1. Oil Fill Plug• 9. Lock 17. Inner Bearing
2.
Capscrew 10. Washer 18. Seal
3.
Lock Washer 11. Dower
19. Spacer•
4. Hub Cap
12. Nut
20. Oil Slinger
5.
Gasket
13.
Outer Bearing
21. Nut
6. Screen 14. Outer Bearing Cup 22. Washer
7. Orum 15. Hub 23. Nut
8. Bearing Nut 16. Inner Bearing Cup
24.
Slud
• Nol present in 102A2.
2. Flatten lock nut retainer and remove lock nut, and lock nut
ring.
3. Before bearing adjustment is made, brakes must be
released and must not drag.
4. Check bearing play by jacking up the wheels one at a time
and observing bearing play using a long bar under the tire.
5. Observe movement of brake drum in relation to brake
spider. If bearings are adjusted properly, movement of the drum
will be just perceptible and the wheel will turn freely.
6. Tighten adjusting nut to 150 lb-ft (203 Nm) torque while at
the same time rotating the wheel in both directions to make sure
all surlaces are in proper contact.
7. Back off adjusting nut about¼ turn to make sure the wheel
turns freely.
8. Replace lock ring with valve pin in adjusting nut inserted
in the hole of the ring.
9.
Install nut lock, tock ring, lock nut and tighten to 100-150
lb. ~ (136-203 Nm) torque.
10. Recheck bearing adjustment and repeat the above steps
if necessary.
11.
Bend lips of nut lock over flats of lock nut.
12. Replace gasket and hub cap using new gasket and
lock washers.
DIS.ASSEMBLY AND INSPECTION
1. II
bearings are to be removed. jack up vehicle and remove
WhP-el.
2. Remove brake drum-to-hub retaining screws and remove
brake drum. See figure 15-13.
3. Remove hub cap and gasket
4. Remove lock nut. nut lock, lock ring and bearing adjusting
nut.
5. Rull hub assembly off spindle, being careful not to let the
:>earing fall out of hub. The oil seal and bearings can no~ be
.-emoved from the hub.
All parts should be thoroughly cleaned. Bearing cone and
roller assemblies can be cleaned in a suitable cleaning solvent
using a stiff brush to remove old lubricant
14
Figure 15-13. Front and Trailing Hub and Drum.