Piper CHEROKEE WARRIOR PA-28-151 1995 Maintenance Manual page 412

PIPER CHEROKEE WARRIOR SERV I C E M A N U A L
The higher tension specified for a new belt is to compensate
for the initial stretch that takes place as soon as it is operated.
These higher tension values should not be applied to belts
which have previously been used.
b. Deflection Method: Check belt tension by measuring the amount of deflection caused by a prede-
termined amount of tension as follows:
1. Attach the hook of a small spring-scale to the belt at the mid-point between rear gear support
and alternator.
2. Pull scale until it reads 14 pounds. (10 pounds for used belts.)
3. Measure the distance the belt moved with the 10 or 14 pound load. The distance (deflection)
must be 5/16 inch. If less than 5/16 inch, belt is too tight.
c. Use a belt tension gauge such as the Burroughs deluxe model or equivalent.
1. Attach gauge over the belt per manufacturer's instructions.
2. Quickly release handle and read tension.
3. Repeat steps a and b several times to eliminate the possibility of an inaccurate reading.
Slight variations in readings taken at different locations on the
belt are normal.
4. If a new belt is installed, set tension 25 percent above operating range to allow for stretch that
will occur as soon as belt is operated.
d. Complete alternator belt tension adjustment, and tighten alternator pivot bolts to a torque of 225 to
255 inch-pounds.
11-34. BATTERY.
Do not use aluminum cable to repair wiring. If there is a fault
in the aluminum cable, the complete cable assembly must be
replaced with copper wire and suitable terminals. Aluminum
cable wiring was used in: battery circuit, battery to ground,
battery to master relay, master relay to starter solenoid, starter
solenoid to starter, and engine return ground wire to airframe
(see individual schematics). (Refer to latest revision of Piper
Service Bulletin No. 836A.)
11-35. BATTERY DESCRIPTION. (WARRIOR and WARRIOR II)
The battery is located underneath the rear bench seat on all PA-28-151 models and PA-28-161 S/N's:
28-7716001 thru 28-8216231. Access is gained to the battery by lifting the rear bench seat. On PA-28-161
S/N's: 28-8316001 thru 28-8616057 and 2816001 thru 2816109, the battery is located forward of the fire wall
on the right side of the airplane. Access to the battery is gained by releasing the cowl fasteners and lifting up
the engine cowl.
The battery is enclosed in a thermoplastic box. (Refer to Figure 11-42.)
Revised: February 28, 1995
NOTE
NOTE
CAUTION
2F5
Island Enterprises
AVCO-LYC. S.L. L160
ELECTRICAL SYSTEM