ASAHI AV VALVES Installation Operation and Maintenance Manual
Butterfly Valves Type57L-IS (Lug style) 15
(9) Installation procedure for handle
Plastic Hammer Socket Wrench Screw Driver (–)
Goggles Protective Gloves
- Do not give any unjust force to cap, in installing or removing the cap. (It can be damaged)
<<Installation>>
Procedure
1) Install the handle on the stem. Set the direction of handle in the
indication line at the top o stem.
2) Fix the handle at the top of stem with the attached bolts and
washer by using socket wrench.
3) Set the convex part at the side of the cap and the concave of the
handle, and set in the cap by striking lightly by using a plastic
hammer.
Nominal Size 3”, 4”
(80, 100mm)
6”, 8”
(150, 200mm)
Bolt Size M6×15L M8×15L
Socket Size 10 13
󲷁Remove󲷂
Procedure
1) To remove the cap, push up the side of the cap by using screw
driver (–).
2) Loose the bolts and washer by using socket wrench, then remove
the handle.
Necessary items
Caution
Ca
p
Bol
t
Washe
r
Handl
e
Indicato
r
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