Central Pneumatic 97521 Instruction Manual download pdf (Page 23)

Instruction Manual

Page 23 of 28 Issue: 2.2

Maintenance – Section 6.1 – General

The working life and thus the expected life prior to replacement of parts within a Paint Pump

are greatly affected by three main factors: -

• Abrasiveness of Fluid Pumped

• Pump Duty Cycle

• Fluid Pressure Output requirement

Maintenance Schedule

Inspection Operation

Daily Check for any general fluid or air leakage.

Weekly

Inspect Pump for Correct operation

Check for any excessive mechanical noise

Check for excessive fluid pressure pulsation

6 Monthly Test

Perform a pump stall test to ensure correct operation.

• If pump does not stall check fluid piston seals and ball

checks, replace as required.

• If air is escaping through exhaust check air motor piston seal

and quick exhaust diaphragm, replace as required.

12 to 36 Months

(Typically 10 million

Pump Cycles

dependant on air

quality and

abrasiveness of the

paint used)

Replace Air Piston seal

Replace shaft seals & bearings



Air Motor Seal Kit

Inspect and replace if required:-

Pilot Air Valves

Main Air Valve Parts



Control Valve Overhaul Kit

Replace Fluid Piston Seal

Replace Balls and Seats

Replace Bellows



Fluid Piston Seal Kit



Fluid Section Overhaul Kit

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Central Pneumatic 97521 Instruction Manual Page 23

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