Graco E-flo iQ 26B543, Инсталляционные компоненты

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Repair
3A8217A 49
2. Connect power to the Driver (AB). Follow a-e of step 4
on page 47 in reverse.
3. Turn the Power Junction Box Switch (AK) and the
Disconnect Switch (AZ) ON.
Ram Supply Unit Repair
D200s 6.5 in. Ram Piston Rods
Always service both cylinders at the same time. When you
service the Lift Rod (AL) always install new o-rings in the
piston rod seal and Ram piston.
Disassemble Piston Rod Seal
1. Follow the Pressure Relief Procedure on page 36.
2. Turn off power to the ram:
a. If using a Single Ram Supply System, turn the red
Disconnect Switch (AZ) OFF.
b. If using a Tandem Ram Supply System, turn the
red Disconnect Switch (AZ) OFF on the Ram
Supply Unit that requires repair only.
3. Remove the nuts (123) and lockwashers (122) holding
the tie bar (219) to the piston rods (132). See parts
illustration on page 54.
4. Remove nuts (303, 305) and washers (302, 304). See
parts illustration on page 54.
5. Lift tie bar (219) off of rods.
6. Remove retaining ring (136) by gripping the ring tab
with a pair of pliers and rotating the ring out of its
groove.
7. Remove snap ring (134) and rod wiper (133).
8. Remove guide sleeve (135) by sliding it off of rod
(132). Four 1/4 in -20 holes are provided to ease
removal of the guide sleeve.
9. Inspect parts for wear or damage.
Assemble Piston Rod Seal
1. Install new o-rings (137,142), rod wiper (133), and
snap ring (134). Lubricate packings with o-ring lubri
-
cant.
2. Slide guide sleeve (135) onto rod (132) and push it
into cylinder. Replace retaining ring (136) by feeding it
around the guide sleeve groove.
3. Reinstall tie bar (219) using nuts (123) and lockwash
-
ers (122). Torque to 40 ft-lb (54 N•m).
4. Reinstall washers (302, 304) and nuts (303, 305).
Disassemble Ram Piston
1. Follow the Pressure Relief Procedure on page 36.
2. Turn off power to the ram:
a. If using a Single Ram Supply System, turn the red
Disconnect Switch (AZ) OFF.
b. If using a Tandem Ram Supply System, turn the
red Disconnect Switch (AZ) OFF on the Ram
Supply Unit that requires repair only.
3. Remove nuts (123) and lockwashers (122) holding the
tie bar (219) to the piston rods (132). See page 54.
4. Remove nuts (303, 305) and washers (302, 304). See
parts illustration on page 54.
5. Lift tie bar (219) off rods.
To reduce the risk of serious injury whenever you are
instructed to relieve pressure always follow the
Pressure Relief Procedure on page 36. Do not use
pressurized air to remove the guide sleeve or the
piston.
F
IG
. 43: 6.5 in. Piston Rod Seal
TI10784A
134
136
137
135
142
132
133