MEGA Corp. MMP4-2 - Manual (Page 36)

MMP 4-2
5 Nov 2011
SECTION 6
Axle and Suspension
6-3
6. Wheel bearings:
a. Secure MMP-4 with jack stands and
wheel chocks.
b. Jack up 1 tire and secure axle.
c. Remove tire and rim assembly.
d. Remove wheel bearing grease cap.
e. Remove cotter pin or bend clear the nut
locking tab.
f. Remove spindle nut by turning nut
CCW.
g. Remove hub assembly.
h. Inspect hub for damaged threads,
missing or damaged studs. Replace as
required.
i. Inspect grease seal for damage (e.g;
tears, cracks, leaks and distortion).
j. To remove grease seal; pry out of hub
with a long handled screwdriver.
k. Clean and inspect wheel bearings and
bearing races for corrosion, pitting,
wear,
heat discoloration and
free/smooth movement. Replace as
required
.
Never spin the wheel bearing with
compressed air. The bearing may be
damaged, causing the bearing explode
causing severe personal injury or death.
REASSEMBLY
1. Pack wheel bearings with a premium,
water resistant, high speed wheel
bearing grease.
2. Apply a light coat of grease on the
bearing races.
Recommended
Wheel Bearing
Lubrication Specifications are as
follows;
Thickener Type Lithium Complex
Dropping Point
215°C (419°F)
Minimum
Consistency NLGI No. 2
Additives
EP, Corrosion &
Oxidation Inhibitors
Viscosity Index 80 Minimum
3. Install inner wheel bearing in hub.
4. Install new grease seal in hub using a
small hammer or proper seal installation
tool.
5. Install hub on spindle.
6. Install outer wheel bearing onto the
spindle.
7. Install bearing retaining washer and
spindle nut.
Nut Locking Tab