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4 — OPERATOR SERVICE
WEEKLY SERVICE CHECKS
Perform the following service checks at least once
each week:
Check Battery electrolyte level.
If battery charge is low, add enough water to bring the
electrolyte level to the top of the plates.
If batteries are fully charged, raise electrolyte level to
full mark in each cell.
Inspect all electrical wiring.
Check for cuts, loose terminals, broken wires, chaffing
and corrosion.
Repair all damage, remove corrosion and seal
exposed connections.
Check transport hitch components for damage.
Inspect Boom lift for missing, loose or damaged
hardware.
Repair or replace as necessary.
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 25 lb-ft (34 N*m) in the
tightening sequence shown.
Repeat sequence, tightening wheel nuts to 60 lb-ft (81
N*m) and to 100 lb-ft (136 N*m).
NOTE: When wheels are newly installed or
replaced, verify wheel nut torque after 50
and 100 miles of travel and monthly
thereafter. Follow this procedure each
time the wheel is removed and
reinstalled.
4
5
1
2
3
Figure 4-3. Wheel Nut Tightening Sequence
27