MASTERPAC PAV20/20, Operation Manual, Page: 11 / 17

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and reliable repair.
References to appropriate tools are made throughout the manual.
Self-Locking Nuts
These must not be reused.
Thread Locking Compound
Use the grade of compound recommended. Clean and degrease the
joint or threads before application.
8.1 HEAD COVER ASSEMBLY
（
Refer to section Parts manual 10.2
PAV20/20.01 HEAD COVER ASSEMBLY
）
.
This ASSEMBLY REQUIRES TO BE REPLACED AS A KIT.
1
、
Remove the M6 X 40 SOCKET CAPSCREWS (3), M6 FLAT WASHER
(4) and M6 SPRING WASHER (5);
PS
：
The No.
（
3
）
above indicates the ITEM NO. of the part in Parts
Catalogue.
2
、
Remove HEAD COVER LEFT(1) and HEAD COVER LEFT(2).
8.2 LOWER COVER ASSEMBLY
（
Refer to section Parts manual
10.3
：
PAV20/20.08 LOWER COVER ASSEMBLY
）
.
This ASSEMBLY REQUIRES TO BE REPLACED AS A KIT.
1
、
Remove HEAD COVER ASSEMBLY
（
93
）
,M6 FLATWASHER
（
94
）
and M6 FLATWASHER
（
95
）
;
2
、
Remove LOWER COVER LH
（
91
）
and LOWER COVER RH
（
92
）
.
8.3 HANDLE ASSEMBLY
（
Refer to Parts manual section 10.6
：
PAV20/20.06 HANDLE ASSEMBLY
）
1
、
Remove Screws
（
39
）、
Spring Bracket
（
60
）、
Spring Bracket
（
40
）
.
2
、
Lift Handle left
（
42
）
then Handle – Trigger Side
（
34
）
in turn.
Remove Retaining Screws
（
57
）
, Flat washer
（
61
）
3
、
Lift off the handle complete
Note: Taking care not to discard.
1. Remove M8 socket set screw (item 64 in head assembly)
2. Unscrew the accumulator using a 90mm
‘ C ’ spanner
（
MASTERPAC
ENGINEERINGCO.,LTD part number PAV20/20-GJ01
）
3. With the accumulator removed its state of gas charge may be
assessed by inserting a blunt object, such as the blunt end of a pencil,
into the hole at the end of the thread and pressing it against the
8. DISMANTLING PROCEDURE