Drive Belts; Fuel Filter; Exhaust Heat Valve; Air Cleaner - Jeep J-10 Series 1982 Technical & Service Manual

B-8 MAINTENANCE
9. Drive Belts
Check belts driving fan, air pump, alternator, power
steering pump and air conditioning compressor for
cracks, fraying, wear, and general condition at sched
uled interval. Use Tension Gauge J-23600 to check drive
belt tension. Compare reading obtained against the ten
sion specified for used belts in the following chart. If
installing a new belt, use the new belt setting shown in
the chart. Refer to Chapter 1C—Cooling for replacement
or adjustment procedures.
Drive Belt Tension
Initial Reset Initial Reset
Nswtons Newtons
Pounds Pounds
New Belt Used Belt
New Belt Used Belt
Air Conditioner
Six-Cylinder
556-689 400-512 125-155 90-115
Eight-Cylinder
556-689 400-512 125-155
90-115
Air Pump
Six-Cylinder w/PS 289-334
267-311
65-75 60-70
Other Six-Cylinder
and all Eight-
Cylinder
556-689 400-512 125-155
90-115
Fan — All Engines
556-689 400-512 125-155 90-115
Power Steering —
All Engines
556-689 400-512 125-155
90-115
Serpentine
Six-Cylinder Calif.
800-890 623-712
180-200
140-160
80414
10. Fuel Filter
Replace the fuel filter at scheduled interval. Be sure to
position the fuel return line at the top of the filter (fig.
B-7).
For more detailed procedures on fuel filter replace
ment, refer to Chapter U—Fuel Systems.
TO TANK -
MUST BE
AT TOP FROM
TANK
TO CARBURETOR 80296
Fig. B-7 Correct Kiel Filter Installation
11. Exhaust Heat Valve
Check exhaust heat valve (eight-cylinder only) for free
movement and lubricate at scheduled interval.
12. Air Cleaner (Filter)
Procedures for air cleaner servicing and replacement
are located in Chapter 1J—Fuel Systems.
13. PCV Filter ^
Clean the PCV Filter at scheduled interval. Refer to m*
Chapter 1A—General Service and Diagnosis for detailed
procedure. •
14. PCV Valve **
Replace PCV valve at scheduled interval. Refer to "*>
Chapter 1J—Fuel Systems for detailed procedures. __
15. Tune-Up
Certain items (such as the choke system and ignition
timing) must be checked and serviced between regularly
scheduled complete tune-ups on some models. Refer to
the Engine Maintenance Schedule for details.
Perform a complete precision tune-up at the sched
uled interval. Perform a precision electronic diagnosis
whenever questionable engine performance occurs be
tween scheduled tune-ups.
Refer to Chapter 1A—General Service and Diagnosis
for detailed procedures and specifications.
DESCRIPTION OF SERVICES—CHASSIS COMPONENTS
1. Axle Differentials (Front and Rear)
Check fluid levels at scheduled interval.
The lubricant level of all differentials should be at the
level of the fill hole (fig. B-8). If not, bring to level by
adding the recommended lubricant.
Change fluid as recommended in the Chassis Mainte
nance Schedule. Fluid type and quantity required are
listed in the Recommended Fluids and Lubricants chart
and the Fluid Capacities chart at the end of this chapter
by axle model. To change fluid:
(1) Remove axle differential housing cover.
(2) Allow lubricant to drain completely.
(3) On all differentials except Trac-Loc, flush the
differential with a flushing oil or light engine oil to clean
out the housing (do not use water, steam, kerosene or
gasoline for flushing). Trac-Loc differentials may be
cleaned only by disassembling the unit and wiping with
clean, lint-free rags. Do not flush the unit.
(4) Check condition of differential housing cover
gasket. Replace if necessary.
(5) Install gasket and differential housing cover.
(6) Tighten cover bolts to 15 to 25 foot-pounds (20 to
34 N»m) torque.
(7) Remove fill plug and add new lubricant to fill
hole level (fig. B-8).
(8) Install fill plug.