Troubleshooting The Spray System - Toro Multi-Pro 1200 Operator's Manual

Problem
The engine loses power.
The sprayer will not operate in
either direction.

Troubleshooting the Spray System

Problem
A boom section does not spray.
A boom section does not turn off.
A boom valve is leaking
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Possible Causes
1. The crankcase oil level is
incorrect.
2. The air cleaner element is dirty.
3. Dirt, water, or stale fuel is in the
fuel system.
4. The engine is overheated.
5. A spark plug is damaged or
dirty.
6. The vent hole in the fuel tank
vent fitting is plugged.
7. Low compression.
1. The range selector is in the
Neutral position.
2. The parking brake was not
released or the parking brake is
not releasing.
3. The transmission is broken.
4. The control linkage needs
adjustment or replacement.
5. The drive shaft or wheel hub
key has been damaged.
Possible Causes
1. Pinched hose
2. A boom by-pass valve is
improperly adjusted.
3. Damaged boom valve
1. The valve is damaged.
1. An O-ring is deteriorated.
42
Corrective Action
1. Fill or drain to the full mark.
2. Clean or replace.
3. Drain and flush the fuel system;
add fresh fuel.
4. See Engine Overheats.
5. Replace the spark plug.
6. Replace the fuel cap.
7. Contact your Authorized
Service Dealer.
1. Press the brake and shift the
range selector into a gear.
2. Release the parking brake or
check the linkage.
3. Contact your Authorized
Service Dealer.
4. Contact your Authorized
Service Dealer.
5. Contact your Authorized
Service Dealer.
Corrective Action
1. Repair or replace the hose.
2. Adjust the boom by-pass
valves.
3. Contact your Authorized
Service Dealer.
1. Stop the spray system and
pump and turn off the sprayer.
Remove the retainer from
under the boom valve and pull
out the motor and stem.
Inspect all parts and replace
any that appear damaged.
1. Stop the spray system and
pump and turn off the sprayer.
Disassemble the valve and
replace the O-rings.