e c h e l o n s ) maintenance operations. For
time required to locate trouble and restore
troubleshooting procedures by the opera-
the materiel to normal operation.
Caution: Operation of materiel without
a preliminary examination can cause fur-
ther damage to a disabled component, Be
61. Procedure
c a r e f u l during inspection and trouble-
Malfunctions which may occur with the
shooting so that damage can be avoided.
tester are listed in tables II and IV. In ef-
60. Scope
Causes are listed opposite each malfunc-
tion and are arranged according to the ease
This section covers troubleshooting
o f correction.
which is peculiar to organizational (second
Table 4.
Troubleshooting
Corrective action
Malfunction
Probable cause
a. Remove back from tester and
a. Drive belt loose -------------
1 . Distributor -----------------
tighten or replace belt (par.
b. Refer other causes to field
b. Other causes ----------------
maintenance personnel.
a. Incandescent lamp burned out
a. Replace incandescent lamp
2. Work lamp fails to light -----
b. O t h e r causes ----------------
b. Refer other causes to field
maintenance personnel.
a. Check tester for looseness on
3. Tester chatters or vibrates
a . Hold-down bolts loose --------
the bench, tighten holddown
under speed.
bolts.
b. Other causes ----------------
b. Refer other causes to field
maintenance personnel.
a. Check lubrication record for
a. Pump piston or valve dry -----
4. Vacuum pump fails to create
dates of lubrication, apply
desired vacuum control to
oil in vacuum hose to lubri-
distributor.
cate pump parts.
b. O t h e r causes ---------------
b. Refer other causes to field
maintenance personnel.
Refer malfunction to field mainte-
5. Speed meter, cam dwell meter
and vacuum meter do not
nance personnel for correction.
register same when distrib-
utor is tested the second
time.
a. Straighten electrical clips
a. Electrical clips bent from
6. Electrical clips do not make
positive connection.
rough usage.
b. Clean electrical clips (par.
b. Electrical clips burned.
c. Replace
electrical clips (par.
c. Electrical clips broken by
rough usage.
7. Electrical cable nipples d o
a. Electrical cable nipples crushed a. Replace electrical cable
not insulate electrical clips
or cut.
properly.
b. Electrical cable nipples de-
b. Replace electrical cable
teriorated.
Section V. ELECTRICAL CLIPS AND ELECTRICAL CABLE NIPPLES
62. Description
clips are alligator type and are attached
to the leads with a single screw terminal.
on the tester, one on each of the two coil
made of rubber or plastic, are 2-37/64
leads and one on the cam angle lead. The
24