Prochem Peak GTX User Manual download pdf (Page 46)

Maintenance

Troubleshooting

PROBLEM CAUSE SOLUTION

Loss of solution pump

pressure.

With the cleaning tool

open, the solution

pressure gauge reads

below the normal

operating pressure.

Water supply is turned off or the float

valve is stuck or improperly adjusted.

Turn the water supply on or up. Check for kinks

in the water supply hose. Examine the float valve

and adjust or replace.

Solution pump inlet supply line is

plugged or drawing air.

Examine the water inlet strainer inside the water

box. Remove accumulated debris and replace if

required. Check for suction leaks and loose

clamps or fittings. Tighten any loose fittings or

clamps. Replace any ruptured hose(s).

Improper engine speed

Using a tachometer, check the engine speed.

Full throttle engine speed is 2850 RPM. Idle

engine speed is 1200 RPM. Refer to the "engine

speed" section for instructions on how to re-

adjust.

Pressure regulator o-ring is dry.

Lubricate o-ring, using o-ring lubricant P/N

86265430.

Pressure regulator has worn o-ring Check o-ring. If necessary, replace.

Pressure regulator is dirty, stuck open,

or improperly adjusted.

Clean or repair regulator. Adjust to working

pressure. Lubricate o-ring, using o-ring lubricant

P/N 86265430.

Low pump volume. (Measure the

amount of water being returned to the

water box from the pressure regulator. It

should fill a gallon container about every

17 seconds).

Examine the check valves, plunger cups, and

cylinder head on the solution pump. Repair,

whenever required (refer to the solution pump

service manual).

Defective solution pressure gauge. Replace gauge

Orifice (spray nozzle) in the cleaning

tool is worn, defective, or wrong size.

Replace Nozzle or change nozzle size.

Debris clogging water lines or water inlet

disconnect.

Clean or replace as needed.

Belt loose or broken Re-tension or replace as needed.

Loss of pump prime Manually prime solution pump.

Loss of solution

volume at cleaning

tool orifice. Solution

gauge reads normal.

Plugged orifice and/or screen in the

cleaning tool.

Unplug or replace orifice and/or screen

Internal block between the pressure

regulator manifold and the solution

manifold; or the solution screen is

clogged

Inspect all lines, remove accumulated debris

which is blocking proper flow. Replace any

defective hoses. Remove, inspect, and clean the

solution screen. De-scale unit and install a water

softener, if necessary.

Outlet check valve is plugged Examine the check valve, remove any debris

Defective quick-connect on one or more

of the solution pressure hoses.

Replace defective quick-connect(s) on solution

pressure hose(s).

Cleaning tool valve is malfunctioning. Repair or replace valve.

Hose inner lining is constricted. Remove restriction or replace hose.

86325860 PEAK GTX PROCHEM

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Prochem Peak GTX User Manual Page 46

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