MAINTENANCE AND LUBRICATION
4-5
Table 4-2: Maintenance Schedule
NORMAL OPERATING SERVICE INTERVALS
ITEM
1ST 5
HOURS OR
50 MILES
WEEKLY
OR 500
MILES
MONTHLY
OR 2,000
MILES
6 MONTHS
OR 12,000
MILES
YEARLY
OR 25,000
MILES
LUBE # NOTES
LIGHTS
I
I
WIRING & CONNECTIONS
I
I
FASTENERS
I,T
I
b
KING PIN AND PLATE
I
C,I,L
1
c
BRAKE AIR SYSTEM
I
I
I
RELAY VALVES
I,C
BRAKE ADJ & WEAR
I
I,T
a,d
SLACK ADJUSTERS
I
I
L
1
c
CAMSHAFT
ASSEMBLIES
I
I
L
1
c
HUB OIL
I
I,L
R
2
a,c
WHEEL BEARINGS
I
I,T
b
TIRE INFLATION & WEAR
I
I
a
WHEEL LUG NUTS
I,T
I
I,T
b
SUSPENSION ALIGNMENT
I
I
HOSES
(Inspect & Replace as
needed)
I
I
I,R
CLAMSHELL LUBRICATOR
I
I
R
I
c
CLAMSHELL AIR FILTER
I
R
GATE COMPONENTS
I
I
I
I - Inspect, R - Replace, T - Tighten/Adjust Torque, L - Lubricate, C - Clean
a.
Perform at the time shown. Shorten service intervals when operating in severe or dirty conditions.
b.
for correct torque specifications.
c.
for recommended lubricant.
d.
See
“Brake Assembly Maintenance” on page 4-15
for procedures.
e.
See Serial Number Plate on the front of the semitrailer for proper inflation requirements.
f.
See
“Wheel Bearing Lubrication and Adjustment” on page 4-22
for procedure.