Service Manual

Rev. B
ProForce Debris Blower Page 6 -- 7 Chassis
2. To prevent unexpected blower operation, disconnect
the negative battery cable from the battery terminal (see
Battery Service in the Service and Repairs section of
Chapter 4 -- Electrical System). Position disconnected
negative c able away from the negative battery terminal.
3. Jack or hoist blower from ground and support with
jack stands (see Operator’s Manual and Jacking In-
structions in Chapter 1 -- Safety).
4. Remove wheel assembly (see Wheel Removal in
this section).
5. Carefully pry dust cap from wheel hub.
6. Straighten cotter pin and remove from axle spindle.
7. Remove nut retainer, jam nut and tab washer that se-
cure wheel hub to spindle. Slide wheel hub with bearings
from spindle.
8. Disassemble wheel hub:
A. Remove grease seal from the wheel hub taking
care to not damage the hub bore. Discard seal.
B. Remove bearing cones from both sides of wheel
hub. Clean bearings in solvent. Clean inside of hub.
C. If necessary, remove bearing cups from hub.
D. Inspect wheel bearings. Check the bearing cones
and bearing cups for wear, pitting or other damage.
Replace worn or damaged parts.
E. If necessary, press lug screws from hub.
9. Inspect axle spindle for wear or damage. Replace
axle if necessary. Refer to appropriate axle illustration
for fastener torque values.
Assembly (Fig. 3)
1. Thoroughly clean all wheel hub components before
assembly.
2. Assemble wheel hub:
A. If bearing cups were removed from the wheel
hub, press inner and outer cups into the hub until
they seat against the hub shoulder.
B. Fill hub approximately 50% full of grease.
C. Pack both bearing cones with grease. Install
greased inner bearing cone into the cup on inboard
side of the wheel hub.
IMPORTANT: The grease seal must be pressed
in so it is flush with the end of the hub. The lip of
the seal must face the inner bearing.
D. Lubricate the inside of new grease seal and press
it into the wheel hub.
E. If lug screws were removed from hub, press
screws fully into hub. Make sure that lug screw flange
is pressed fully to hub surface.
1. Frame
2. Carriage screw
3. Axle
4. Flange nut
5. Hub assembly
6. Lock nut
7. Carriage screw
8. Axle mount
Figure 4
2
3
6
8
1
5
7
4
SERIAL NUMBER ABOVE 310000000 SHOWN
27 to 33 ft--lb
(37to44N--m)
27 to 33 ft--lb
(37to44N--m)
1. Frame
2. Carriage screw
3. Axle
4. Lock nut
5. Hub assembly
Figure 5
2
3
1
5
4
SUSPENSION AXLE SHOWN
67 to 83 ft--lb
(91 to 112 N--m)
Chassis