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Repair
309832D
31
Replacing pressure adjuster
For replacement parts, see
Parts
, page 42.
Disassembly
Refer to F
. 8 for the following instructions.
WARNING
To avoid accidental system pressurization or
electrical shock, disconnect power cord and turn
the on/off switch to OFF. Read
Warnings
, page
WARNING
Wait until equipment/fluid has cooled completely.
Read
Warnings
, page 3.
F
IG
. 8: Pressure adjuster assembly
1.
Turn on/off switch OFF. Unplug tank unit.
2.
Using a 1 in. wrench, remove pressure adjuster
body (86).
79
81
82
85
87
88
86
84
83
80
78
3.
Using a 3/32 in. hex wrench, loosen set screw (87).
Loosen and remove knob (88).
4.
From the body (86), remove shaft (82), u-cup (84),
and o-ring (85). Inspect for damage and replace.
5.
From shaft (82), remove o-ring (83). Inspect for
damage and replace.
6.
From pressure adjuster insert, use an o-ring pick to
remove spring (81) and poppet (80). Inspect for
damage and replace.
7.
Using a 3/16 hex wrench, remove seat (79) and
o-ring (78). Inspect for damage and replace.