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Tires/Wheels/Lug Nuts
Tires and wheels are a very important and critical
components of the trailer. When specifying or replacing the
trailer wheels it is important the wheels, tires, and axle are
properly matched.
CAUTION:
DO NOT attempt
to
repair
modify a wheel.
DO NOT install in
inner tube to correct a leak through the rim. If the rim is
cracked, the air pressure in the inner tube may cause pieces
of the rim to explode (break off) with great force and cause
serious eye or bodily injury.
Tire Wear/Inflation
Tire inflation pressure is the most important factor in tire life.
Pressure should be checked cold before operation DO NOT
bleed air from tires when they are hot! . Check inflation
pressure weekly during use to insure the maximum tire life
and tread wear.
Table 10 (Tire Wear Troubleshooting) will help pinpoint the
causes and solutions of tire wear problems.
CAUTION:
DCA-125USJ (50 HZ) — OPERATION AND PARTS MANUAL — REV. #0 (03/11/05) — PAGE 47
DCA-125USJ (50 HZ)— TRAILER MAINTENANCE
or
ALWAYS wear safety glasses when removing
or installing force fitted parts. Failure to comply
may result in serious injury.
Suspension
The leaf suspension springs and associated components
(Figure 57) should be visually inspected every 6,000 miles
for signs of excessive wear, elongation of bolt holes, and
loosening of fasteners. Replace all damaged parts
(suspension) immediately. Torqued suspension components
as detailed in Table 14.
Figure 57. Major Suspension Components
T
b a
e l
1
. 4
u S
p s
n e
e t I
m
3
" 8 /
U
B -
O
T L
7
1 /
" 6
U
B -
O
T L
1
" 2 /
U
B -
O
T L
SNUG FIT ONLY
SHACKLE BOLT
LOCKING NUTS OR COTTER PINS ARE PROVIDED
SPRING EYE BOLT
SHOULDER TYPE
SHACKLE BOLT
i s
n o
o T
q r
e u
e R
u q
e r i
m
n e
s t
o T
q r
e u
F (
- . t
b L
) . s
I M
- N
0 3
M
A
- X
5 3
I M
- N
5 4
M
A
- X
0 6
I M
- N
5 4
M
A
- X
0 6
.
PARTS MUST ROTATE FREELY
-
TO RETAIN NUT
BOLT ASSEMBLY
I M
- N
0 3
M
A
- X
0 5
1
.
.
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