TM 5-1940-322-24
0138 00
HYDROJET IMPELLER REPLACEMENT (Contd)
REMOVAL (Contd)
8.
Position shaft/impeller locking tool TD-321273 over impeller shaft sleeve (4) and studs (8). Install
three screws (7) from tool set through locking plate (3) into impeller hub (9).
9.
Remove locknut (6), washer (5), impeller shaft sleeve (4), and retainer pin (1) from impeller shaft (2).
Discard locknut (6).
10.
Remove shaft/impeller locking tool TD-321273.
11.
Install impeller removal tool set TD-120891 on end of impeller shaft (2) as follows:
a. Install thrust pad (13) from set over threads (11) on impeller shaft (2).
b. Install draw tube (14) from set over impeller shaft (2) with screw (15) backed out.
c. Install three screws (16) from set through draw tube flange (14) and into end of impeller hub (9).
Tighten screws (16) until draw tube flange (14) is tight against impeller (12).
CAUTION
Ensure impeller shaft is clean and lightly greased prior to removal.
Failure to comply may result in damage to equipment.
When removing impeller from shaft, do not twist impeller on shaft.
Failure to comply may result in damage to shaft or impeller.
12.
Tighten screw (15) on draw tube (14) to remove impeller (12) from cone (17), key (10), and impeller
shaft (2). Remove key (10) and cone (17) from impeller shaft (2). Remove three screws (16) and draw
tube (14) from impeller hub (9).
CLEANING AND INSPECTION
1.
For general cleaning and inspection instructions, refer to WP 0013 00.
WARNING
Skysol 100 solvent is combustible; DO NOT use or store near heat,
sparks, flame, or other ignition sources. Use mechanical ventilation
whenever product is used in a confined space, heated above
ambient temperatures, or agitated. Keep container sealed when not
in use.
Contact with Skysol 100 may cause skin irritation. Use chemical-
resistant gloves. In case of skin contact, remove any contaminated
clothing and wash skin thoroughly with soap and water. Wash
contaminated clothing before reuse. Eye contact may cause
irritation, tearing, or blurring of vision. Use face shield or goggles
when eye contact may occur. In case of eye contact, flush eyes with
large amounts of water for at least 15 minutes or until irritation
subsides. Inhalation may cause irritation to upper respiratory
passages. DO NOT have food or drink in the vicinity. Failure to
comply may result in injury to personnel.
2.
Clean excess gasket material and sealing compound from mating surfaces of housings with Skysol 100
and dry with cloth.
3.
Inspect all studs for damaged threads. If damage is present, replace studs using sealing
compound (272).
4.
Inspect insulator washers for cracks or damage. If cracks or damage are noted, replace insulator
washers.
5.
Inspect water lubricated bearing for wear or damage. If worn or damaged, replace water lubricated
bearing (WP 0167 00).
0138 00-4
