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SERVICE
INTERVAL:
ITEM
TIMES
MILES
LIGHTS
WIRING AND
CONNECTIONS
FASTENERS
KING PIN AND PLATE
BRAKE AIR SYSTEM
RELAY VALVES
BRAKE ADJ & WEAR
SLACK ADJUSTERS
CAMSHAFT ASSEMBLIES
HUB OIL
WHEEL BEARINGS
TIRE INFLATION & WEAR
WHEEL LUG NUTS
SUSPENSION ALIGNMENT I
UNDERCARRIAGE
ROLLERS
HYDRAULIC GREASE
HYDRAULIC FILTER
HOSES (Inspect & Replace
as needed)
CHAIN GEAR CASE
I - Inspect, R - Replace, T - Tighten/Adjust Torque, L - Lubricate, C - Clean
NOTES:
a. Perform at the time shown. Shorten service intervals when operating in severe or dirty conditions.
b. See Table 2-1 and Table 2-2 for correct torque specifications.
c. See Table 4-1 for recommended lubricant.
d. See "Brake System Maintenance" on page 4-19 for procedures.
e. See "Wheel Bearing Lubrication and Adjustment" on page 4-27 for procedures.
f.
See Serial Number Plate on the front of the semitrailer for proper inflation requirements.
NORMAL OPERATING SERVICE INTERVALS
1ST 5
HOURS
WEEKLY
50
500
I
I
I
I,T
I
I
I
I
I
I
I
I
I
I,L
I
I
I
I,T
I
I
I
R
I
I
Table 4-2: Maintenance Schedule
MAINTENANCE AND LUBRICATION
6
MONTHLY
MONTHS
2,000
12,000
I
I
C,I,L
I
I,T
L
I,T
I,T
I
L
R
I
I
a
YEARLY
LUBE #
25,000
3
I,C
3
L
3
R
6
3
R
1
I,R
2
NOTES
b
c
d
c
c
c
b
f
b
c
c
c
4-5
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