- ページ 12

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Service Manual

Side block unit

WARNING:

Before performing maintenance work on the gun, make sure that the unit is

at a complete standstill, that all of the buttons and the main switch are turned off and that

the unit is disconnected from the main power supply. The gun is a component that works

under pressure; no connection must be opened and no maintenance work must be done

on components subject to pressure until the pressure has been completely eliminated.

Remove the side block mounting bolts on the Polyol side and carefully separate it from the gun

block. Clean the contact surfaces using a cloth dampened in gun-cleaning solvent.

Unscrew the filter housing and remove the seal and the filter screen. Carefully clean the filter

with gun cleaning solvent and check that the mesh is completely free from contaminants.

Replace the filter screen as required.

Remove the check valve retainer from the side block.

Remove the plastic/metal non-return unit and clean it with gun-cleaning solvent. Replace it if

damaged.

Remove the parts and clean with gun cleaning solvent or replace them as required.

Clean all of the components meticulously to eliminate the remains of product using a cloth

dampened with gun cleaning solvent and a brass brush.

PRECAUTION:

Use wooden or plastic utensils or a brass brush for cleaning. Do not

use metal utensils that can scratch the contact surfaces.

12/20

1.5 Issue

Ref. NR-00008-ENG

http://www.gamapur.com