TM-9-2815-225-34-P
ENGINE, DIESEL: 6 CYLINDER IN-LINE TURBOCHARGED, CUMMINS MODEL NTC-400
TECHNICAL MANUAL; DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE MANUAL INCLUDING REPAIR PARTS AND SPECIAL TOOLS LIST
JULY 2005
TM-9-2815-225-34-P - Page 352 of 736
TM 9-2815-225-34&P
0041 00
0041 00-6
WATER PUMP (Contd)
ASSEMBLY
NOTE
Lubricate all parts with lubricating oil before assembly.
1.
Using press and water pump bearing mandrel, install new bearing (4) on idler shaft (3) until
fully seated.
2.
Apply light coat of Loctite to outside diameter of bearing (4). Using press and water pump
bearing mandrel, install bearing (4) and idler shaft (3) in idler pulley (2) until fully seated.
3.
Install new retaining ring (7), with flat side facing bearing (4), new O-ring (5), and spacer (6) on
idler shaft (3).
4.
Using oil seal driver, install new seal (8) in idler pulley (2) with seal lip facing idler pulley (2).
5.
Apply pipe sealant to pipe plug (1) and install in idler pulley (2).
6.
Using oil seal driver, install new sleeve (10) in water pump pulley (9).
7.
Apply lubricating oil to new bearing (13). Using press and water pump bearing mandrel, install
bearing (13) on water pump shaft (16) until fully seated.
8.
Install new retaining ring (15) on water pump shaft (16).
9.
Apply lubricating oil to new bearing (13). Using press and water pump bearing mandrel, install
spacer (14) and bearing (13) on water pump shaft (16) until fully seated.
10.
Using hammer, oil seal driver, and oil seal pilot, install new seal (25) in water pump
housing (18).
11.
Apply light coat of Loctite to outside diameter of bearings (13). Using press and water pump
bearing mandrel, install bearings (13) with water pump shaft (16) attached, in water pump
housing (18) until fully seated.
12.
Install new retaining ring (12) in water pump housing (18), with flat side of retaining ring (12)
facing bearing (13).
13.
Using hammer, oil seal driver, and oil seal pilot, install new seal (11), with lip facing bearing
(13), in water pump housing (18). Ensure seal (11) is flush with top edge of water pump housing
(18) bore.
14.
Apply light coat of Loctite to outside diameter of new seal and seat assembly (21), and apply one
drop of retaining compound between seal and seat assembly (21). Using press and water pump
seal mandrel, install seat and seal assembly (21) in water pump housing (18).
15.
Apply pipe sealant to one long pipe plug (17) and two short pipe plugs (19) and install in water
pump housing (18).
16.
Apply light coat of Loctite to bore of water pump pulley (9). Using press, install water pump
pulley (9) on water pump shaft (16) until fully seated.
17.
Apply light coat of Loctite to bore of impeller (22). Using press, install impeller (22) on water
pump shaft (16) until fully seated.
18.
Using feeler gauge, check clearance between impeller (22) and water pump housing (18).
Clearance should be 0.020–0.040 in. (0.508–1.016 mm).
19.
Install idler pulley (2), with idler shaft (3) attached, on water pump housing (18) with washer
(24) and nut (23).
20.
Install screw (20) in water pump housing (18).
21.
Install water pump (TM 9-2320-273-20 or TM 9-2320-283-20).
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