12
E
V E RY
1,000 M
I L E S
:
Check oil level in wheel hub and inspect wheel
for leaks.
15,000 M
I L E S O R M I N I M U M O F T W I C E A Y E A R
:
Check brake adjustment.
Repack wheel bearings (grease application).
25,000
TO
30,000 M
I L E S
Check lining wear and estimate replacement time.
Replace with new shoes or reline when thickness of
lining is 1/4" at thinnest point, or 1/16" above rivet or
bolt head. Replace any cracked, broken or oil-soaked
linings immediately.
Inspect camshaft, camshaft spider bushing, and
camshaft support bracket bushing for any signs of wear.
Lubricate camshaft bushings.
Inspect brake drums for heat checks, grooves, hot
spots, glazing, cracks, and out of ro u n d .
100,000 M
I L E S
,
O N C E A Y E A R
,
O R AT B RA K E R E L I N E
:
Replace wheel bearing lubricating oil (if applicable).
Check brake air chambers and slack adjusters.
Inspect brake rollers, roller shafts, anchor pins and
bushings and replace if necessary.
Lubricate brake adjusters.
Check shoes for bent shoe ribs, cracks in shoe table
welds or ribs, and elongated rivet holes. Replace shoes
if any of these conditions exist.
TO RQUE SPECIFICAT I O N S
S U G G E STED PREVENTATIVE MAINTENANCE
FA STENER SPECIFICAT I O N S
PA RT NAME
SIZE & THREAD
TO RQU E
Spindle Outer Nut
2 5/8 - 16 UN
250-400 ft.-lbs.
Cam Brackets
5/16 - 18 Self-tapping
175-225 in.-lbs.
Air Chamber
5/8 - 11 UNC
100-115 ft.-lbs.
Mounting Bolts
Dust Shield
S e l f - t a p p i n g
180-200 in.-lbs.
M o u n t i n g
Brake Lining
Brass Scre w
100-150 in.-lbs.
To Ta b l e
3/8 - 24 UNF
Hub Cap to Hub
1/14 - 20 UNC
96-144 in.-lbs.
5/16 - 18 UNC
144-216 in.-lbs.
Wheel Stud
3/4 - 16 UNF
175-200 ft.-lbs.
B a c k n u t
7/8 - 14 UNF
180-250 ft.-lbs.
1 - 14 UNF
200-300 ft.-lbs.
Haldex ABA
7/16 - 14 UN
40-50 ft.-lbs.
C o n t rol Arm Nut
D22/P22 Manual pdf 9/23/97 2:51 PM Page 14
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