TM 5-3895-379-23
TROUBLESHOOTING PROCEDURES - CONTINUED
0006 00
Table 1. Engine Troubleshooting Procedures - Continued.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
7.
Engine Exhaust Smokes Excessively
(White or Blue Smoke) - Continued.
WARNING
Use caution while working under operator platform. Falling plat-
form could cause injury or death.
5. Check electrical input to cold 1. If less than 12 to 14 Vdc are
start heater. Raise operator
measured at wire 377-OR, turn
platform (WP 0128 00). Turn on
OFF battery disconnect switch.
battery disconnect switch (TM 5-
Lower operator platform (WP
3895-379-10). Have assistant
turn engine start switch and
to OFF position (TM 5-3895-379-
starting aid switch to ON
10). Go to Electrical Malfunction
positions. Touch positive (+)
No. 6, Starting Aid Switch Does
probe of multimeter to wire 377-
Not Work.
OR and the negative (-) probe of
the multimeter to engine block.
2. If more than 14 Vdc are measured
at wire 377-OR, starting aid
resistor and cold start heater are
damaged. Turn off battery
disconnect switch (TM 5-3895-
379-10). Lower operator platform
switch to OFF position (TM 5-
3895-379-10). Replace cold start
heater (WP 0043 00) and starting
aid resistor (WP 0087 00).
3. If 12 to 14 Vdc are measured at
wire 377-OR, go to Step 6.
6. Check current draw of cold start 1. If current draw is more than 16 or
heater.
Attach
clamp-on
less than 18 amperes, replace cold
multimeter to wire 377-OR. Have
start heater (WP 0043 00) with a
assistant attempt to start engine
new one. Lower operator platform
(TM 5-3895-379-10). Note the
current draw indication. The
current draw should be 16 to 18 2. If current draw is between 18 and
16 amperes, remove clamp-on
amperes at 12 volts. Connect wire
ammeter. Go to Step 7.
377-OR to cold start heater. Turn
engine start switch to OFF
position and turn battery
disconnect switch OFF (TM 5-
3895-379-10).
0006 00-23
