TM5-3820-256-10
3-24.
Welder/Generator. Troubleshooting procedures for the welder and generator are listed in table 3-17.
a. The table lists the common malfunctions that you may find during the operation or maintenance of the
welder/generator. You should perform the tests/ inspections and corrective actions in the order listed.
b. This manual cannot list all malfunctions that may occur, nor all tests/inspections and corrective actions. If a
malfunction is not listed or is not corrected by listed corrective action, notify your supervisor.
Table 3-17. Troubleshooting the Welder/Generator
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
1.
ENGINE WILL
Step 1. Check to see if
Fill fuel tank with diesel fuel.
NOT START.
fuel tank is empty.
Step 2. Check to see if
Tighten terminals.
battery cable terminals
are loose.
Step 3. Check to see if
Disconnect terminals; clean
battery cable terminals
both terminals and battery
are corroded.
terminal posts; reconnect ter-
minals.
Step 4. Check for low
Recharge battery or replace.
battery voltage by noting
whether engine cranks
slower than usual.
2.
NO POWER
Check to see if switch S1
Place power switch S1
OUTPUT AT
is in POWER position.
in POWER position.
POWER RECEP-
TACLE.
3.
LOW POWER OUT-
Check to see if FIN AM-
Rotate R1 to 100.
PUT AT POWER
PERAGE control R1 is set
RECEPTACLES.
too low.
4.
LOW WELD
Check engine speed; if less
Clean or replace air cleaner.
OUTPUT.
than 3000 rpm, check for
dirty air cleaner.
5.
ERRATIC WELD
Step 1. Check for damp
Use different electrodes.
OUTPUT.
electrodes or wrong type of
electrodes.
Step 2. Check for loose
Tighten connections.
connection to work piece.
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