Replacing The Bumper Assembly - Nordson 3100V Series Customer Product Manual

B
1-36
Hydraulics
n'
2
3
4
4130833
Air
Valve lnstallation
@ontd)
9.
lnstall the upper detent
on
the bottom of the valve body with the two
socket-head screws removed earlier. Tighten to 1.82-2.27 N.m
(16-20
in.-lb).
10.
lnstallthe valve cap.
Tighten the valve cap screws to
3-4
N.m
(28-36
in.-lb).
1'1.
Complete Magnet Assembly lnstallation.
Use
this procedure to replace the actuator bumper assembly without
removing the actuator from the unit.
WARNING:
Disconnect and lock out line voltage to the unit.
Failure to observe this
warning can result in personal injury or
death.
'1.
Turn the unit
off;
then disconnect and lock out power to the unit.
2.
Reduce
the pump air pressure to
0.
3.
Remove
the pump cover.
4.
See Figure B
1-25.
Remove
the valve cap screws (1) and lift the
valve cap (2)
off
the bumper assembly (4).
5.
Remove the bumper assembly. Use an open-end wrench to hold the
bumper assembly stationary;then use another wrench to remove the
retaining
nut (3).
6.
lnstall a new bumper assembly and secure it with the retaining nut.
Tighten
the nut to 9-11 N.m (81-99 in.-lb).
7.
lnstallthe valve cap.
Tighten the valve cap screws
to
3-4 N.m (28-36
in.-lb).
8.
Reinstall
the pump cover, restore power and air to the unit, and
resume operation.
Replacing
the
Bumper
Assembly
Fig. B
1-25
Replacing the Bumper
Assembly
'1
.
Valve
cap screw
2.
Valve
cap
3.
Retaining
nut
4.
Bumper assembly
B1
EN-02-[3V-X-AGXX]-2 41-3000v
lssued 5/00
O
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All rights reserved