Miller Bobcat 225D PLUS, Owner'S Manual

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OM-404 Page 30
C. Engine
Trouble Remedy
Engine will not crank. Check plug PLG4 connection and plug PLG8 connection.
Check battery voltage.
Check battery connections, and tighten if necessary.
Have Factory Authorized Service Agent check continuity and connections of Engine Control switch S2,
and replace if necessary.
Engine will not start. Check fuel level (see Section 4-2).
Check battery and engine charging system.
Check oil level. Check low oil pressure shutdown switch (see Section 4-2).
Wait one minute for optional glow plug system time delay relay CB7 to reset (see Section 7-6).
Have Factory Authorized Service Agent check optional glow plug system fusible link and relay CR2,
and replace if necessary (see Section 7-6).
Have Factory Authorized Service Agent check Engine Control switch S2, and replace if necessary.
See engine manual.
Engine starts, but stops when Engine
Control switch returns to Run position. Check oil level. Check low oil pressure shutdown switch S4 (see Section 4-2).
Have Factory Authorized Service Agent check Engine Control switch S2 and fuel solenoid, and re-
place if necessary.
Battery discharges between uses. Clean battery terminals and posts with baking soda solution; rinse with clear water.
Periodically recharge battery (approximately every three months).
Have Factory Authorized Service Agent check voltage regulator.
Replace battery.
Unstable or sluggish engine speeds. Check fuel level (see Section 4-2).
Readjust throttle linkage if necessary (see Section 7-5).
Tune engine according to engine manual.
Engine stops during normal operation. Check fuel level (see Section 4-2).
Check oil level. Check low oil pressure shutdown switch (see Section 4-2).
Have Factory Authorized Service Agent check Engine Control switch S2 and fuel solenoid, and re-
place if necessary.
Engine idles but does not reach weld
speed. Check and reset circuit breaker CB8 (see Section 7-6). Check solenoid linkage for obstructions.
Move Idle Lock switch to Run/Idle position (see Section 5-1).
Have Factory Authorized Service Agent check Engine Control switch S2, and replace if necessary.
Have Factory Authorized Service Agent check control relay CR1, current transformer CT1, throttle
solenoid TS1, throttle linkage, and idle module PC1.
Engine uses oil during run-in period;
wetstacking occurs. Dry engine (see Section 10 and engine manual).
Engine will not stop. Stop engine using manual shut off lever. Have Factory Authorized Service Agent check unit.