TB 1-1520-240-20-88
9. Correction Procedures-
NOTE
Care should be taken to ensure that oil does not get on the center console.
a Remove forward transmission main oil filter element. (Refer to TM 55-1520-240-23 Task 6-123, or TM 1-1520-
252-23 Task 6-153).
b Remove suspect main lubrication pump and replace it with a non-suspect pump. Record serial number of
forward transmission main lubrication pump on the forward transmission DA Form 2408-16 in the remarks block (Refer to
TM 55-1520-240-23 Tasks 6-124 and 6-125, or TM 1-1520-252-23 Tasks 6-155 and 6-156).
NOTE
The torque value published in TM 55-1 520-240-23 Task 6-125 for the main lubrication pump
nuts is incorrect. Torque nuts to 70-85 inch-pounds (wet torque). Both TM 55-1520-240-23
and TM 1-1520-252-23 should also state to lubricate threads of self-locking nuts prior to
torquing and to lubricate packings prior to installation with MIL-L-7808, MIL-L-23699, or
DODL-85734 oil.
c. Reinstall forward transmission main oil filter element. (Refer to TM 55-1520-240-23 Task 6-123, or TM 1-1520-
252-23 Task 6-153).
NOTE
The torque value published in TM 55-1 520-240-23 Task 6-125 for the main lubrication pump
nuts is incorrect. Torque nuts to 70-85 inch-pounds (wet torque). Both TM 55-1520-240-23
and TM 1-1520-252-23 should also state to lubricate threads of self-locking nuts prior to
torquing and to lubricate packings prior to installation with MIL-L-7808, MIL-L-23699, or
DODL-85734 oil.
d. Reinstall forward transmission drip tray. (Refer to TM 55-1520-240-23 Task 2-3, or TM 1-1520-252-23 Task 2-
4).
e. Service forward transmission. (Refer to TM 55-1520-240-23 Task 1-54, or TM 1-1520-252-23 Task 1 -58).
f. Perform ground run Maintenance Operational Check (MOC). (Refer to TM 55-1520-240-1 0 or TM 1-1520-252-
10).
10. Supply/Parts and Disposition -
a. Parts Required - The following items will be required to replace suspect pumps.
NOMENCLATURE
PART NUMBER
NSN
QUANTITY
MAIN LUBE PUMP
145DS102-3
4320-01-115-3822
1
PREFORMED PACKING
M83248/1-126
5330-00-167-5114
1
PREFORMED PACKING
M83248/1-146
5330-00-172-7188
2
PREFORMED PACKING
M83248/1-906
5330-00-020-0186
1
NUT, SELF-LOCKING
21 042-4
8
WASHER, FLAT
AN960-416
8
b. Requisitioning Instructions Requisition replacement parts through normal supply channels using normal supply
procedures. All requisitions shall use project code 'XCE" per this TB.
NOTE
Project code "XCE' is required to track and establish a data base of stock fund expenditures
incurred by the field as a result of this TB.
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