GE 1150 HP AC Drilling Motor 5GEB22 User Manual
GEK-91696D
1150 HP AC Drilling Motor, Model 5GEB22
2. Clamp a dial indicator to the motor frame at the Connection End (CE) of the motor or the dummy CE bear-
ing cap. Zero the indicator ball on the face of the rotor bearing nut (33) for models manufactured prior to
September 2001 or the rotor bearing clamp (41) for models manufactured after September 2001.
3. Force the rotor back to seat at the Connection End (CE). The amount of rotor shaft end–play indicated must
not exceed the end–play given in section
of this publication.
5.9.
FINAL ASSEMBLY OF ROTOR DRIVE END (DE) COMPONENTS
If the rotor bearings pass the bearing runout and radial clearance checks, install the remaining DE component
If the rotor bearings pass the bearing runout and radial clearance checks, install the remaining DE component
parts as follows:
NOTE: Numbers in parenthesis () refer to item numbers in Figure 15 located in section 6.2. DRILL MOTOR
NOTE: Numbers in parenthesis () refer to item numbers in Figure 15 located in section 6.2. DRILL MOTOR
COMPONENT IDENTIFICATION of this publication, unless otherwise noted.
1. Remove the dummy DE bearing cap.
2. Pack the DE outer bearing cap (7) with 8.0 oz. (227 g) of GE Specification D6A2C10 grease. Ensure the gasket
1. Remove the dummy DE bearing cap.
2. Pack the DE outer bearing cap (7) with 8.0 oz. (227 g) of GE Specification D6A2C10 grease. Ensure the gasket
(9) is in place between the bearing cap and frame head.
3. Assemble the bearing cap (7) insert to the DE frame head (11) and inner bearing cap (12) with eight bolts and
hardened flat washers (8), and torque the bolts to 115 ±5 lb–ft (155 ±7 Nm).
4. Install the DE outer sleeve (4) onto the rotor shaft (5). To install the sleeve:
a. Heat the DE outer sleeve (4) to 110°C (230°F) in an oven.
b. Remove the sleeve from the oven and press it onto the DE rotor shaft until seated against the inner
b. Remove the sleeve from the oven and press it onto the DE rotor shaft until seated against the inner
race of the DE bearing (3).
c. Secure the sleeve in place until cool.
5.10. FINAL ASSEMBLY OF ROTOR CONNECTION END (CE) COMPONENTS
Install the remaining CE component parts as follows:
NOTE: Numbers in parenthesis () refer to item numbers in Figure 15 located in section 6.2. DRILL MOTOR
NOTE: Numbers in parenthesis () refer to item numbers in Figure 15 located in section 6.2. DRILL MOTOR
COMPONENT IDENTIFICATION of this publication, unless otherwise noted.
1. Remove the dummy CE bearing cap.
2. Apply 2.8 oz. (79.4 g) of GE Specification D6A2C10 grease to the CE bearing cap (32).
3. Align the CE bearing cap (32) with the largest gap between holes toward the mounting feet as shown in
1. Remove the dummy CE bearing cap.
2. Apply 2.8 oz. (79.4 g) of GE Specification D6A2C10 grease to the CE bearing cap (32).
3. Align the CE bearing cap (32) with the largest gap between holes toward the mounting feet as shown in
Figure 13 . Assemble the bearing cap (32) to the CE frame head (27) and inner bearing housing (35) with
eight bolts and hardened flat washers (31), and torque the bolts to 115 ±5 lb–ft (155 ±7 Nm).
5.11. ELECTRICAL RUNNING TESTS
After the motor has been reconditioned and reassembled, perform the following tests to ensure that the motor
will operate satisfactorily:
WARNING: Electrical tests are performed at high voltage. Electrical shock can cause serious or fatal injury.
Proper precautions should be taken and observed by personnel performing testing to avoid injury
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