TM 10-4320-344-24
3.8.16 V-Belt Tensioner Maintenance. Models 609-C and US636HCCD-1.
This task covers:
3.8.16.1 Removal
3.8.16.4 Assembly
3 .
8 .1 6 . 2 D i s a s s e m b ly
3 .
8 .1 6 . 5 I n s t a l l a t i on
3 .
8 .1 6 . 3 R e p a ir
INITIAL SETUP
Tools
General Mechanics Automotive
Tool Kit, Appendix B, Section
III, Item 1
Material/Parts
Rags, Appendix C, Item 20
Gasket (TM 10-4320-344-24P)
Preformed Packing (TM 10-4320-344-24P)
Equipment Conditions
Pumping station shut down, TM 10-4320-
344-10.
V-Belt Guard removed, paragraph 2.21.11
(US636HCCD-1).
Equipment Conditions (Continued)
V-Belts removed, paragraph 2.21.12.
V-Belt Contact Switch and Mounting
Bracket removed, paragraph 2.21.19.
General Safety Instructions
Do not work on equipment that is not
securely stabilized to prevent rolling
o r s l i d i n g.
Do not work on equipment without follow-
ing standard shop safety practices.
This procedure
i s s i m i l a r.
3.8.16.1 Removal.
a .
Remove screw
applies to Model
(Figure 3-34, 1)
US636HCCD-1.
The procedure for Model 609-C
and flat washer (2).
b .
Remove nut (3) and flat washer (4).
c .
Remove V-belt tensioner housing (5) and preformed packing (6).
Discard
preformed packing (6).
3.8.16.2 Disassembly.
a .
Remove three screws (7), cover (8),
Discard gasket (9).
and gasket (9) from pulley assembly (10).
b.
Remove nut (11), flat washer (12), pulley screw (13), pulley assembly (10),
and shims (14) if present.
3.8.16.3 Repair.
a .
Inspect pulley assembly (10) for
b.
Inspect all other components and
c .
Replace all damaged or defective
3.8.16.4 Assembly.
a.
Position pulley assemblv (10) on
free rotation without grinding or seizing.
mounting hardware for damage.
components.
V-belt tensioner assemblv (5) and secure with
shims (14) if present during disassembly, pulley screw (13); flat washer (12),
and nut (11).
3-80
