Cub Cadet CC3700 Operation Manual - Page 20

Problem, Cause, Remedy

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Problem Will not draw chemicals No or low pressure (after period of normal use) Water leaking at gun/spray wand connection Water leaking at pump Pump pulsates Oil leaking at pump Cause 1. Spray wand not in low pressure. 2. Chemical filter clogged. 3. Chemical screen not in cleaning solution. 4. Chemical too thick. 5. Pressure hose is too long. 6. Chemical build up in chemical injector. 1. Worn seal or packing. 2. Worn or obstructed valves. 3. Worn unloader piston. 1. Worn or torn o-ring. 2. Loose hose connection 1. Loose connections. 2. Piston packings worn. 3. Worn or torn o-ring. 4. Pump head or tubes damaged from freezing. 1. Nozzle obstructed. 1. Oil seals worn. 2. Loose drain plug. 3. Worn drain plug o-ring . 4. Worn fill plug o-ring. 5. Pump overfilled. 6. Incorrect oil used. 7. Vent plug is clogged. 8. Air filter filled with oil. Remedy 1. See How to "Use Spray Wand" paragraph in the Features and Controls Section. 2. Clean filter. 3. Make sure end of detergent siphon hose is fully submerged into cleaning solution. 4. Dilute chemical. Chemical should be the same consistency as water. 5. Lengthen water supply hose instead of high pressure hose. 6. See an authorized service dealer. 1. See an authorized service dealer. 2. See an authorized service dealer. 3. See an authorized service dealer. 1. Check and replace. 2. Tighten. 1. Tighten. 2. See an authorized service dealer. 3. See an authorized service dealer. 4. See an authorized service dealer. 1. See "Nozzle Cleaning" paragraph in the Maintenance section for the correct procedure. 1. See an authorized service dealer. 2. Tighten. 3. Check and replace. 4. Check and replace. 5. Check for correct amount. 6. Drain and fill with correct amount and type of oil. 7. Clean vent plug; blow air through it to remove any blockage. If prob­lem persists, replace plug. See engine manual. 8. Clean and/or replace filter element. See engine manual. 20 Section 8 - Troubleshooting

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20
S
ECTION
8 — T
ROUBLESHOOTING
Problem
Cause
Remedy
Will not draw chemicals
1.
Spray wand not in low pressure.
2. Chemical filter clogged.
3.
Chemical screen not in cleaning solution.
4. Chemical too thick.
5. Pressure hose is too long.
6.
Chemical build up in chemical injector.
1.
See How to “Use Spray Wand” paragraph
in the Features and Controls Section.
2. Clean filter.
3.
Make sure end of detergent siphon hose
is fully submerged into cleaning solution.
4.
Dilute chemical. Chemical should be the
same consistency as water.
5.
Lengthen water supply hose instead of
high pressure hose.
6. See an authorized service dealer.
No or low pressure
(after period of normal use)
1. Worn seal or packing.
2. Worn or obstructed valves.
3. Worn unloader piston.
1.
See an authorized service dealer.
2. See an authorized service dealer.
3. See an authorized service dealer.
Water leaking at gun/spray wand
connection
1. Worn or torn o-ring.
2. Loose hose connection
1. Check and replace.
2. Tighten.
Water leaking at pump
1. Loose connections.
2. Piston packings worn.
3. Worn or torn o-ring.
4.
Pump head or tubes damaged from
freezing.
1. Tighten.
2. See an authorized service dealer.
3. See an authorized service dealer.
4. See an authorized service dealer.
Pump pulsates
1. Nozzle obstructed.
1.
See “Nozzle Cleaning” paragraph in the
Maintenance section for the correct
procedure.
Oil leaking at pump
1. Oil seals worn.
2. Loose drain plug.
3. Worn drain plug o-ring .
4. Worn fill plug o-ring.
5. Pump overfilled.
6. Incorrect oil used.
7.
Vent plug is clogged.
8. Air filter filled with oil.
1.
See an authorized service dealer.
2. Tighten.
3. Check and replace.
4. Check and replace.
5. Check for correct amount.
6.
Drain and fill with correct amount and
type of oil.
7.
Clean vent plug; blow air through it
to remove any blockage. If problem
persists, replace plug. See engine
manual.
8.
Clean and/or replace filter element. See
engine manual.