Allpro APS2730H 수리 지침 및 부품 목록 - 페이지 7

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Problem

Packings are failing

Scored, damaged, or worn plungers

freq entl or

frequently or

Abrasive material in fluid being pumped

prematurely

Inlet water temperature too high

Overpressurizing pump

Excessive pressure due to partially

plugged or damaged tip

Pump running too long without spraying

Running pump dry

Strong surging at inlet

Foreign particles in inlet or discharge

and low pressure on

valve or worn inlet and/or discharge

discharge side

valves

Cause

Solution

Install new plungers.

Install proper filtration on pump inlet plumbing.

Check water temperature. It should not

exceed 160_F (70_C).

Do not modify any factory–set adjustments.

Clean or replace tip. See Installing and

Changing Spray Tips, Operating Instruction

manual 309886.

Never run pump more than 10 minutes without

spraying.

Do not run pump without water.

Clean or replace valves.

309887