PC200_Manual_REV_G-1.pdf - 第53页

PC200 PVA Revis ion G (201 9) 53 of 56 Notes

PC200

PVA

Revision G (2019)

52 of 56

Valve Drips For

a Short Time

After Shutoff

• Air is trapped in the manifold

• Air is trapped in the static mixer

• Bleed the valve until the air is

removed

• Bleed the valve until the air is

removed

Cross-

Contamination

In Manifold

Nozzle

• Snuff back is set too high

• System material supply not

correctly bled of air

• Turn stroke adjustment screw

clockwise to decrease snuff back

• Bleed material supply system until the

air is removed

Seals Fail

Rapidly

• Seals are not compatible with

material

• Material has abrasive fillers

• Contact PVA for seal options

Valve Has Air

Leak

• Jam nut is loose

• Air cylinder O-rings are worn

• Tighten jam nut against stroke

adjustment sealing washer

• Replace air cylinder section O-rings

Valve Leaks at

Separation

Block

• Lip seals are defective or worn

• Valve rods are defective or

worn

• Sleeve bearings are worn

• Examine and replace lip seals

• Examine and replace valve rods

• Examine and replace sleeve bearings

Material Does

Not Cure

• Mix ratio is incorrect

• Material not sufficiently mixed

• Do ratio checks at manifold and adjust

metering system as necessary

• Use a static mixer with sufficient

mixing elements – consult material

manufacturer or PVA

PC200

PVA

Revision G (2019)

53 of 56

Notes

PC200

PVA

Revision G (2019)

54 of 56

Warranty

PVA Warranty Policy

PVA warrants the enclosed product against defects in material or workmanship on all

components for one year from the date of shipment.

The warranty does not extend to components damaged due to misuse, negligence, or

installation and operation that are not in accordance with the recommended factory

instructions. Unauthorized repair or modification of the enclosed product, and/or the

use of spare parts not directly obtained from PVA (or from factory authorized dealers)

will void all warranties.

All PVA warranties extend only to the original purchaser. Third party warranty claims

will not be honored at any time.

Prior to returning a product for a warranty claim, a return authorization must be

obtained from PVA’s customer service department. Authorization will be issued either

via the telephone, facsimile, or in writing upon your request.

To qualify as a valid warranty claim, the defective product must be returned to the

factory during the warranty period. Upon return, PVA will repair (or replace) all

components found to be defective in material or workmanship.

(Retain this for your records)

Product Information:

PRODUCT: ______________________________

SERIAL NUMBER: ______________________________

DATE OF PURCHASE: ______________________________