Service Valve Operation Method - Panasonic OCU-CR200VF5 Service Manual

Service Valve Operation Method

1. Location of Service Valves
2. Method of Operating Service Valves
Stem
Copper packing
Cap
Note: 1. Copper packing, Cap and Nut must be installed after the work. (Gas leak
prevention)
2. Check Gland nut loosening of the service valves, and fasten them if any
looseness exists.
3. Fastening torques are as follows.
Cap: 30  5 N・m, Nut: 13  1 N・m, Gland Nut: 10  1 N・m
Explanation of each Seat Position
A
: Back seated position
(Turn the stem fully counter-
clockwise)
Access port
Packing
Gland nut
B
: Mid-position
(Stem height approx. 15mm)
• High pressure side
Approx. 3 and
a half turns
• Low pressure side
Approx. 3 turns
High pressure
service valve
Operation of each seat position
A
(Counterclockwise
Nut
-turn limit)
4
Low pressure
service valve
C
(Clockwise-turn
limit)
B
(Stem height approx. 15 mm)
C
: Front seated position
(Turn the stem fully clockwise)