Prochem Peak GTX User Manual download pdf (Page 47)

Maintenance

PROBLEM CAUSE SOLUTION

Loss of vacuum

While cleaning,

the vacuum is

not up to specifi-

cation. Engine

RPM is normal.

Vacuum obstruction Inspect hoses for obstructions.

Vacuum gauge is giving an improper

reading.

Examine the tubing between the vacuum relief valve

and the vacuum gauge and remove any blockage.

Vacuum hose(s) is damaged, causing a

suction leak.

Inspect hose(s), repair or replace.

Waste tank gaskets not sealing properly,

not positioned properly

Inspect the gaskets. Repair or replace as necessary.

Re-position lid, inlet and outlet.

Plugged vacuum hose or vacuum plumbing

between vacuum inlet and strainer basket.

Unplug vacuum hose or inlet plumbing.

Waste tank filter or strainer basket is

plugged.

Clean or replace filter. Clean strainer basket.

Loose vacuum pump drive belts. Tighten the drive belts

Waste tank drain valve is damaged or left

open, causing a vacuum leak.

Close drain valve, if open. Remove the drain valve

and, after inspecting, replace the defective compo-

nents.

Vacuum relief valve requires adjustment or

has a vacuum leak due to damaged

diaphragm.

Re-adjust the vacuum relief valve. If the vacuum

does not increase, remove and inspect the relief

valve diaphragm. If damaged, replace

Vacuum exhaust heat exchangers are

plugged with lint.

Remove and clean.

Vacuum pump is worn out. Replace the vacuum pump.

Excessive

Vacuum

Improper throttle adjustment. Adjust throttle to set desired vacuum pressure.

Vacuum relief valve requires adjustment. Readjust the vacuum relief valve.

Loss of

chemical with

the cleaning tool

valve open, no

chemical

Chemical pump is improperly primed. Refer to chemical pump priming instructions.

Air leak in chemical supply tube, priming

valve or metering valve.

Check for air leaks. Replace faulty parts.

The strainer at the inlet end of the chemical

inlet tube is clogged

Unclog the strainer. If damaged, replace.

Suction leak in the inlet tube leading into

the chemical pump.

Inspect inlet tube and flow meter for air leaks or

damage and replace, if required.

Chemical pump check valve(s) is clogged

Remove any debris from the chemical check

valve(s). Replace chemical check valve(s) or seals,

if necessary.

Chemical prime/on-off valve or chemical

metering valve is defective.

Replace valve(s).

Chemical pump diaphragm is ruptured.

Disassemble the chemical pump and replace the

damaged diaphragm and plastic disk.

Defective cylinder in the solution pump.

Measure the pump volume. If the pump volume is

less than normal, refer to "Loss of Pump Volume" in

the Troubleshooting section in this manual.

86325860 PEAK GTX PROCHEM

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Prochem Peak GTX User Manual Page 47

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