Servicing The Axle Arm, Hub And Brake Assemblies; Servicing The Brake Assemblies - PRM NEWAGE 415 Series Workshop Manual

Servicing the Axle Arm, Hub and Brake Assemblies

The Hub assembly can be serviced with the Axle Arm still connected to the Main Case. Procedure is
as follows:
1. Remove Bolts (D17) and remove the Service Brake (D5 or D15)
2. Remove 8 off Bolts (D10) that secures the Axle Shaft (D11) to the Wheel Hub/Brake Disc.
Withdraw the Axle Shaft (D11) using 2 off Bolts (D10) as
Spline form for damage and wear.
3. Straighten locking tab ears on Lockwasher (D2), unscrew & remove the Lock Nut (D1) using a
special tool. A gentle tap with a soft mallet on opposing sides of the Brake Disc will assist on
pulling the assembly off the axle arm stub. Remove Lockwasher (D2) (note the keyway lines)
and Bearing Spacer (D3).
4. The Wheel Hub (D14) can now be withdrawn from the Axle Arm stub.
NOTE: Care must be taken not to drop the loose Bearing Cones.
5. Examine all Bearing Cups & Cones (D4 & D23) for wear or damage, replace as necessary.
NOTE: We recommend the Hub Oil Seals are always changed when the Hub has been re-
moved.
6. The Bearing Cups (D4 & D23) can be drifted out of the Hub (D14) if they need replacing.
When fitting new Bearing cups (D4 & D23) ensure that they are aligned squarely to the bores
before pressing in.
NOTE: If the Rear Bearing (D23) is replaced Oil Seal (D24) will also need replacing
7. To reassemble the Hub assembly, reverse the above procedure using a new Lockwasher
(D2).
8. To adjust the Hub Bearings:
i. Tighten the Lock Nut (D1) to the tightening torque of 135 Nm (100 lb.ft). When check-
ing the torque setting, rotate the Wheel Hub 3 turns in each direction to ensure the
Bearings have "seated" correctly and recheck tightening torque. Repeat this proce-
dure 3 times.
ii. Slacken the Lock Nut (D1) back a distance equal to 1 tab of the new Lock Washer (D2).
iii. Bend ear of Lock Washer over to secure the Nut.
NOTE: Never re-use a Lock Washer (D2).

Servicing the Brake Assemblies

Each Brake Assembly consists of two sliding callipers per side, which run along the length of the
Mounting Bolt (D17), and so the Caliper needs to be removed to service the Pads.
1. Remove Caliper Mounting Bolts (D17) and pull the Brake Calliper (D5 or D15) away from the
Calliper Carrier (D8 or D18).
2. Remove the Brake Pads (D6) by depressing the clips within the Calliper body.
3. Inspect for Pad wear and replace where necessary.
NOTE: 418-2510-KIT consists of 4 Brake Pads (2 Pairs) as we recommend replacing all the Brake
Pads (D6) at the same time.
extractor screws and inspect the
24
.