3 — EQUIPMENT MAINTENANCE
17
MONTHLY SERVICE CHECKS
Perform the following service checks at least once
each month:
Clean all battery terminals.
Check battery for loose connections or damaged
wires.
Verify proper operation of manual lowering
valves and hand pump
Refer to Section 3 for manual boom operating
procedures.
Lubricate all compartment hinges and latches,
slew ring and mating gear.
Use NLGI Grade 2 multi-purpose grease.
Check wheel nut torque.
Refer to Figure 4-3 for correct wheel nut tightening
sequence.
Evenly tighten wheel nuts to 34 N*m in the tightening
sequence shown.
Repeat sequence, tightening wheel nuts to 81 N*m
and to 136 N*m.
NOTE: Follow this procedure each time the
wheel is removed and reinstalled.
4
5
1
2
3
Figure 3-3. Wheel Nut Tightening Sequence
