TM 5-3740-218-13&P
PUMP AND CROSSTUBE ASSEMBLY CHEMICAL PUMP REPAIR
This task covers:
Disassembly
Assembly
A.
INITIAL SETUP
Tools and Special Equipment:
Equipment Condition:
Tool Kit, 5180-00-177-7033
Reference
Condition Description
Snap Ring Pliers
Chemical Pump
Removed from Pump
Materials/Parts:
and Crosstube
Kit, Seal
Appendix E, Item 33
Assembly
Loctite
Appendix E, Item 34
Chemical Pump
Separated from Motor
B.
DISASSEMBLY
CAUTION
Keep work area as clean as possible to prevent contamination of pump internal
parts. Dirt or grit will damage machined surfaces, resulting in leaks or premature
pump failure.
(1)
Remove eight bolts (1) and eight washers (2) that secure face plate (3) to volute (4). Discard washers.
(2)
Remove face plate (3) and gasket (5). Discard gasket.
(3)
Remove eight bolts (6) and eight washers (7) that secure pump housing (8) to volute (4). Discard washers.
Separate volute (4) from housing (8). Remove and discard gasket (9).
(4)
Remove jam nut (10) from impeller shaft (11).
(5)
Unscrew and remove impeller (12).
(6)
Remove seal assembly (13).
(7)
Remove snap ring (14) and press impeller shaft (11) from housing (8).