Brake Disc Wear Check - JLG sky trak mmv Service Manual

General Information, Specifications and Maintenance
7. Check brake disc wear. (Refer to Section 2.13.12,

Brake Disc Wear Check .)

Note: ALWAYS replace used o-rings with new o-rings to
ensure proper sealing.
8. Clean and reinstall the drain plug (1) using a new o-
ring. Torque the drain plug to 96 lb/ft (130 Nm).
9. Fill the axle with oil. Refer to the recommended axle
oil/temperature range chart on page 2.45 for proper
oil to use. Filling is accomplished through the axle fill
hole (2). Fill axle slowly, the oil has to run across the
differential. Allow time for the oil to run across the
differential. Fill until the axle oil level is even with the
level plug holes (3). The axle capacity is 10.5 quarts
(10,0 liters).
10. Reinstall the axle fill and level plugs (2 and 3) into
the axle housing using new o-rings. Torque the level
plugs to 96 lb/ft (130 Nm).
2.46
2
3
1
2.13.12 Brake Disc Wear Check
1 000
Check the brake discs for wear, every 1,000 hours of en-
gine operation, or yearly.
If the brake discs require service due to wear, detailed
axle service instructions (covering axle, brakes and
wheel-end safety, repair, disassembly, reassembly, ad-
justment and troubleshooting information) are provided in
the ZF Axle Repair Manuals, Model MS-T 3060, front axle
with parking brake (ZF part # 5871 560 002, JLG part #
8990430) or Model MS-T 3045, rear axle without parking
brake (ZF part # 5871 550 002, JLG part # 8990419).
The axle should be checked, serviced and repaired only
by experienced service technicians who are aware of all
safety instructions and particular component features.
a. Front Axle
WARNING:
WHEELS. Failure to do so could result in
death or serious injury from vehicle roll-away.
1. Block all four wheels to help prevent the vehicle
from moving after the parking brake is disabled.
OT02702
2. Turn the ignition switch to the ON position (with the
engine not running), release the parking brake
switch, and have the operator seated in the seat.
3. Open the engine compartment cover. Allow the
hydraulic oil to cool.
4. Locate the emergency towing pressurizing valve (4)
located under the radiator on the mounting bracket.
P
MS21902
BLOCK ALL FOUR
Model MMV Rev. 12/04
MT2830