Step 5
Wipe off any dust from the valve seal O-ring and the Bellows holder surface.
Step 6
Apply 0.4MPa of air pressure to the pilot port. Tighten bolt b in numerical order to assemble the
Body and the Bonnet assembly. When tightening bolt b, tighten manually until the O ring is
compressed, then perform extra tightening in diagonal order.
For models with heater, tighten bolt a to mount the heater to the body. Insert the cover.
Tightening torque of
bolt b
N
･
m
Valve
size
Tightening
torque
XLA-16
0.7
-25
1.5
-40
2.5
-50
6
-63
6
-80
15
-100
20
-160
102
Tightening torque of bolt a
N
･
m
Valve size
Tightening
torque
All sizes
0.3
O-ring
Bellows holder
1
Bolt b
Bolt a
Heater
Pilot port
Bonnet assembly
2
3
4
Cover
Body
- 15 -
XL*****-OMI0009-E
