Table 1. Preventive-Maintenance Checks and Services
Item to be
Inspect each cable and lead for frayed insulation
Cables and leads---
and other damage.
Snap switches and check for positive action.
After check make sure all switches are in the
Z e r o all meters ----------------------------
14, and 15.
Loosen distributor jaws slightly and turn dis-
tributor right or left to center drive shaft.
noises or vibra-
Wipe all grease and dirt from the tester. Re-
move equipment, store in its proper place
and cover the tester.
Section Ill. TROUBLESHOOTING
T h i s section covers troubleshooting
Troubleshooting is a systematic deter-
mination of malfunctions and defective
which is peculiar to the operator's (first
components by indications, symptoms, and
echelon) maintenance operations.
tests. Close adherence to the procedures
covered herein will materially reduce the
time required to locate trouble and re-
Malfunctions which may occur with the
store the materiel to normal operation.
tester are listed in table II. Upon observ-
ing any one of these malfunctions, take
Caution: Operation of materiel without
immediate steps to locate and correct the
a preliminary examination can cause fur-
cause. Causes are listed opposite each
ther damage to a disabled component. Be
malfunction and are arranged according
c a r e f u 1 during inspection and trouble-
to the ease of correction.
shooting so that damage can be avoided.
a. Insert plug of power cable into
1. Distributor tester fails to
a. Power cable not connected -----
power source receptacle so
it makes good contact (par.
9e(2) and 26).
b. Other causes ----------------- b. Refer other causes to organi-
zational maintenance per-
sonnel for correction.
----- ------ ----- ----- ----- --- Refer malfunction to organiza-
2. Work lamp fails to light - - - - -
tional maintenance personnel
a. Shaft or distributor off center -- a. Loosen distributor clamp and
3. Tester chatters or vibrates
center distributor shaft (par.