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WARNING:
Do not cycle tool without air bleeder assembly (704153), or the screw and stat-o-seal, installed in tool head. Severe
personal injury could result.
WARNING:
Use CAUTION when removing screws, air bleeder assembly (704153) and fill bottle (745263). Hydraulic oil may be
under pressure.
CAUTION:
Before filling handle assembly (744129), air piston assembly (744121) must be all the way down.
CAUTION:
When forcing piston rod assembly (745344) downward, with head cylinder (745366) removed, hydraulic oil will eject forcibly
from handle assembly (744129).
CAUTION:
When bleeding tool, ensure tubing is free from kinks or other obstructions.
Note:
•
Air Bleeder Assembly (704153) is required.
•
To replace a small amount of oil in the tool, cycle tool to rear position, disconnect air & follow steps 6-14 below.
FILLING AND BLEEDING PROCEDURE: (required after tool has been dismantled)
1. Ensure air piston assembly (744121) is at the full bottom of stroke by pushing piston rod assembly (745344) down.
2. Fill power cylinder (745331) hole to the top and fill oil passage (hole for o'ring S832 ) to the top, being careful not to get oil into the
air passage.
3. Place gasket (745124) and o'ring (S832) on top of the handle assembly (744129).
4. Push piston (745310) to rear of head cylinder (745366) until it stops. (DIM "B") (See pg. 12).
5. Press head cylinder (745366) down on top of handle assembly (744129), being careful not to tear o'ring (S832) and gasket (745124)
on top of handle assembly (744129). Install button head cap screws (402479) and torque evenly to 40 inch lbs. (4.52 Nm).
6. Remove button head cap screw (402482) and stat-o-seal (S572) (hole stamped #1) on side of head cylinder (745366). Attach air
bleeder assembly (704153) making sure button head cap screw (402482) and stat-o-seal (S572) (hole stamped #2) are in place.
7. Connect tool to air supply, using 40-50 P.S.I. Piston (745310) will then move to forward position. (DIM "A") (See pg. 12).
8. Cycle tool ten times.
9. Disconnect air supply, remove air bleeder assembly (704153) and replace button head cap screw (402482) and stat-o- seal (S572)
and torque to 35-40 inch lbs. (3.95 - 4.52 Nm). Do not over tighten.
Filling and Bleeding procedure continued on pg. 12 (Steps 10-14).
Oil Passage hole
O'ring (S832)
***Keep air
hole free
from oil***
GB745 INSTALLATION TOOL S/N: 3569 AND ABOVE
PLEASE CONTACT GAGE BILT FOR ALL OTHER SERIAL NUMBERS.
FILLING & BLEEDING PROCEDURE
Handle Assembly and
Power Cylinder hole
Images may not reflect actual tool.
Air Bleeder
Assembly
(704153)
Bleeder hole #1 on head cylinder
(745366). Button head cap screw
(402482) & stat-o-seal (S572)
11
Rev. 6/22
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