TM 5-1940-322-24
0167 00
HYDROJET ASSEMBLY REPAIR (Contd)
ASSEMBLY
1.
Using water bearing press and extractor tool TD-321259, install new water lubricated bearing (2) on
tailpipe housing (1).
2.
Pack seal cavities of new seals (3) with grease before assembly.
3.
Using bearing casing seal assembly tool TD-120962, install two new seals (3) on bearing cup (4) and
sealing housing (11).
4.
Install snapring (7) on shaft (6) and position mechanical seal assembly tool TD-621250-01 up to step
on end of shaft (6).
CAUTION
Do not allow grease to touch static element of seal sealing surface.
Failure to comply may result in damage to equipment.
5.
Apply light coat of grease around tool and shaft (6). Slide coller (8) and mechanical seal (9) up
shaft (6) to snapring (7). Remove tool from shaft (6) and clean all grease from shaft (6).
CAUTION
Seal housing must be installed with vent hole in the down position.
Failure to comply may result in damage to equipment.
6.
Apply light coat of grease to new O-ring (10) and install O-ring (10) and sealing housing (11) with vent
hole in down position on intake housing (5).
7.
Install shaft (6) and mechanical seal (9) in nozzle end of intake housing (5), sealing housing (11), and
seal (3). Support shaft (6) with drive shaft support tool TD-321257 as shaft (6) is being installed.
8.
Apply light coat of grease to new O-rings (13) and (15) and seal sleeve (12). Slide seal sleeve (12) and
O-ring (13) on shaft (6) and push into position.
9.
Install bearing sleeve (14), ball bearing (16), new O-ring (15), and seal sleeve (18) on shaft (6).
10.
Apply light coat of grease to new O-ring (17) and install new O-ring (17) and bearing cap (4) over
shaft (6) on intake housing (5). Apply light coat of sealing compound (243) to studs and install four
washers (25) and new locknuts (24) on bearing cap (4). Tighten locknuts (24) to 4448 lb-ft
(6065 Nm).
11.
Install key (23), hydrojet flange (19), cone (20), and washer (21) on shaft (6). Apply light coat of sealing
compound (243) to threads of shaft (6) and install new locknut (22). Hold hydrojet flange (19) with
drive flange C-spanner tool TD-321256 and tighten locknut (22) to 172192 lb ft (234260 (Nm).
12.
Install new gasket (26) and cover (27) on intake housing (5) with four washers (28) and new
locknuts (29). Tighten locknuts (29) to 2325 lb-ft (3134 Nm).
0167 00-8