Pull Coil Terminal Test; Hold Coil Terminal Test - Toro Diesel Z Master Service Manual

ELECTRICAL

Pull Coil Terminal Test

This test checks both the pulling coil and pulling coil
timer module (Fig. 684).
A
G G
A. Ground
B. Holding Coil Terminal
C. Switch for Pulling Coil
D. Switch for Holding Coil
6
1. Disconnect the 3 terminal connector from the engine
stop solenoid wiring harness.
2. Remove the engine stop solenoid from the engine.
3. Connect a jumper lead from the pull coil (G) terminal
to the positive battery terminal.
4. Connect a jumper lead from the ground (A) terminal
to the negative battery terminal.
The plunger should retract into the solenoid body. With
the jumpers still connected to the battery terminals,
the plunger should extend out of the solenoid body
in approximately 1.2 seconds. If the plunger does not
retract and then extend, it is faulty.
6-20
B
C
D
F
E
Fig 684 3EEACAB1P007A
E. Battery Positive
F. Battery Negative
G. Pulling Coil Terminal

Hold Coil Terminal Test

This test checks the holding coil.
1. Connect a jumper lead from the ground (A) terminal
to the negative battery terminal.
2. Connect a jumper lead from the holding (B) terminal
to the positive battery terminal.
3. Connect a jumper lead from the pull coil (G) terminal
to the battery positive terminal.
The plunger should pull into the solenoid body. Remove
the pull coil terminal (G) from the positive battery term-
inal. The plunger should remain pulled into the solenoid
body. If the plunger does not remain pulled into the
solenoid body, the engine stop solenoid is faulty.
Z580/Z593/Z595 Diesel Service Manual