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Multi Pro 5800Page 7 − 26ExcelaRate Spray System

Troubleshooting

CAUTION

Remove all jewelry, especially rings and

watches, before doing any electrical trouble-

shooting or testing. Disconnect the battery

cables unless the test requires battery voltage.

Use the following table to assist in troubleshooting spray

system specific issues. See Chapter 6 − Electrical Sys-

tem in this manual for a similar table discussing traction

unit issues.

For effective troubleshooting and repairs, you must

have a good understanding of the electrical circuits and

components used on this machine (see Electrical Sche-

matics in Chapter 11 − Foldout Drawings in this manual).

If the machine has any interlock switches by−passed,

they must be reconnected for proper troubleshooting

and safety.

Spray System Problems

ÁÁÁÁÁÁÁÁÁÁÁÁÁ

Problem

ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ

Possible Cause

ÁÁÁÁÁÁÁÁÁÁÁÁÁ

Spray system leaks fluid.

ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ

Fitting(s), hose(s) or tube(s) are loose or damaged.

O−ring(s) or seal(s) are missing, damaged or improperly installed.

Tank bulkhead fittings or agitation nozzles are damaged or improp-

erly installed.

Spray tank drain valve not seating.

ÁÁÁÁÁÁÁÁÁÁÁÁÁ

Fluid leaking from bottom of spray

pump.

ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ

Faulty diaphragm(s) exist in spray pump.

Pump casting is cracked.

ÁÁÁÁÁÁÁÁÁÁÁÁÁ

Fluid leaking from spray pump valve

cover.

ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ

Valve cover bolts are loose.

O−ring at inlet or outlet valve is faulty.

Diaphragm is not seating against pump casting and valve cover.

Valve cover is damaged.

ÁÁÁÁÁÁÁÁÁÁÁÁÁ

Excessive suction hose vibration.

ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ

Suction screen in tank or suction line is restricted.

Spray pump suction line has an air leak.

Suction tube in spray tank has an air leak.

Brand	Toro
Model	Multi Pro 5800
Category	Paint Sprayer
Language	English

Toro Multi Pro 5800 Service Manual

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