Clutch Engagement / Electronic Control System Test (Fig. 8)
This test can be used to check for proper operation of
the electronic control system and clutches without con
necting the machine to a water source or operating the
machine.
B. After clutches are engaged, push red aerate
DISENGAGE button.
C. Green light should immediately turn OFF and
pump clutch should disengage.
1.
Park machine on a level surface, stop the engine,
engage the parking brake, open the hood and discon
nect the engine spark plug wires.
D. After 3 seconds, valve clutch should disengage.
E. System must not restart without pushing green
aerate ENGAGE button.
2.
Disconnect wiring harness connector from bottom of
water pressure gauge. Install a jumper wire across
terminals of disconnected wire connector. This will elec
trically by-pass the water pressure switch.
IMPORTANT: When test is completed, water pres�
sure switch by-pass must be removed to prevent
damage to water system from low inlet water pres�
sure.
3.
Turn ignition key switch to ON position. DO NOT start
the engine.
7.
Remove by-pass jumper wire that was connected in
4.
ENGAGE test:
step 2 and connect wire harness connector to terminals
on bottom of water pressure gauge.
A. Lower machine to aerate position (on rollers).
Yellow light should be ON.
B. Move traction bail out of neutral. Red light should
come ON.
C. With traction bail out of neutral, push, then re
lease, green aerate ENGAGE button. Green light
should come ON and pump clutch should engage.
After 5 seconds valve clutch should engage.
1
2
3
NOTE: Touch clutches with a metal object, such as
a screw driver, to help check for clutch engagement
(clutch will be magnetized).
Figure 8A
5.
NEUTRAL shut-down test:
1. Red light
A. Release traction bail. Red light should turn OFF.
2. Green light
3. Yellow light
B. After 4 seconds, pump clutch should disengage
and green light should go OFF.
C. After another 3 seconds, valve clutch should
disengage.
6.
DISENGAGE test:
A. Move traction bail out of neutral and push green
aerate ENGAGE button.
Figure 8B
1. Red light
2. Green light
3. Yellow light
Testing
Page 5 - 16
Hydroject 3010
| Categories | Lawn Mower Manual, Sprinkler and Irrigation Manuals, Toro Sprinkler and Irrigation Manuals |
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| Document Type | Service Manual |
| Language | English |
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