Test or Inspection
ENGINE AND PUMP ASSEMBLY
1. ENGINE FAILS TO START.
Failure to disconnect battery can result in personal injury or damage to equipment.
Step 1. Check for defective key switchbox.
Set engine switch to OFF position.
Inspect for loose, broken, or missing wires or blown fuse
inside key switchbox. Tighten, repair, or replace wires or
between black and yellow leads, black lead to ground, and
yellow lead to ground. Readings should not exceed 0.1 ohm. If
readings exceed 0.1 ohm, replace key switchbox (para 5-5).
between black and green leads, yellow and green leads, and
yellow lead to ground. Readings should not exceed
4 K ohms. If readings exceed 4 K ohms, replace key
Set engine switch to ON position.
between black and yellow leads. If reading exceeds 0.1 ohm,
With multimeter set to ohms scale, measure resistance
between black lead and ground, and yellow lead and ground.
If readings are not 1 M ohm minimum, replace key switchbox
between green lead and ground. If reading exceeds