TM 10-4320-344-24
2.23.3 Tongue Jack and Tripod Assembly Maintenance.
This task covers:
2.23.3.1 Removal
2.22.3.4
Assembly
2.23.3.2 Disassembly
2.23.3.5 Installation
2.23.3.3 Repair
INITIAL SETUP
Equipment Conditions
Tools
Pumping station shut down, TM 10-4320-
General Mechanic’s Automotive
344-10.
Tool Kit, Appendix B, Section
III, Item 1
General Safety Instructions
Motor Vehicle Maintenance Trestle,
Do not work on equipment that is not
Appendix B, Section III, Item 2
securely stabilized to prevent rolling
o r s l i d i n g.
Material/Parts
Do not work on equipment without follow-
Cotter Pins (TM 10-4320-344-24P)
ing standard shop safety practices.
Lock Washers (TM 10-4320-344-24P)
This procedure applies to Model 609-C. The procedures for Models 609-A and
US636HCCD-1 are similar.
2.23.3.1 Removal.
To prevent injury to personnel, use caution when installing and removing
trestles beneath trailer assembly. Ensure trestles are adequate to support
weight of pumping assembly. Equipment slippage or falling could result in
serious personnel injury or death.
a.
Install trestles beneath trailer (Figure 2-170, 1) to support weight of
trailer at a minimum of three points.
b .
Remove two cotter pins (2), flat washers (3), and drive out pivot pin (4).
Discard cotter pins (2).
c .
Remove two nuts (5), lock washers (6), bolts (7), and tongue jack and tripod
assembly.
Discard lock washers (6).
a .
Remove nut (8), lock washer (9), bolt (10), and tongue jack (11). Discard
lock washer (9).
b .
Remove nut (12), lock washer (13), bolt (14), and pad (15) from tripod (16).
Discard lock washer (13).
2.23.3.3 Repair.
a.
Inspect all components and mounting hardware for damage.
b.
Replace all defective components.
2-381
NOTE
2.23.3.2 Disassembly.
