TM 5-4930-244-14
f.
SHUT DOWN LUBE TANK OPERATIONS (Refer to Figure 2-25.)
(1)
Close ball valve (9) on air-receiver tank (10), which will stop air flow to pumps.
(2)
Open air pressure relieve valve (11), relieving air pressure in all pump lines.
g.
PREPARATION FOR MOVEMENT (Refer to Figure 2-29.)
(1)
Hold scissor jack (1) with one hand and pull out pin (2) with other hand.
(2)
Slide scissor jack (1) up and into jack guide (3).
(3)
Align lowest hole in scissor jack (1) with hole in jack guide (3).
(4)
Install pin (2).
(5)
Remove safety pin (4) on towing vehicle and pull up on locking latch (5) to lift pintle hook (6).
(6)
Align towing vehicle with trailer lunette (7). If necessary, remove two locknuts (8) and two bolts (10) and
move trailer lunette (7) to correct position. Install two bolts (10) and two locknuts (8) to secure trailer lunette
(7).
(7)
Back towing vehicle in front of trailer lunette (7). Using the front jack leg (11), raise trailer lunette (7) and
back towing vehicle until pintle hook (6) is directly under trailer lunette (7). Lower onto pintle hook (6).
(8)
Push down and close pintle hook (6). Check that locking latch (5) is locked by pulling up on hook upper jaw
of pintle hook (6). Insert safety pin (4).
CAUTION
·
Safety chains should be crossed under lunette to support trailer (9) in the
event that the trailer detaches from the towing vehicle. Be sure to have
enough slack to allow trailer to make full turns.
(9)
Cross two safety chains (12) under trailer lunette (7) and hook on towing vehicle. Secure safety chains (12)
to prevent dragging.
(10)
Connect both service brake (14, blue) and emergency brake (13, red) hose assemblies to the towing
vehicle. Open towing vehicle shutoff valves (refer to towing vehicle operator manual). Apply towing vehicle
air brakes to pressurize air brake system.
NOTE
Determine voltage of towing vehicle.
(11)
Connect one end of either 12 Vdc connector (15) or 24 Vdc connector (16) to towing vehicle electrical
receptacle and other end to voltage reducer box receptacle (20).
(12)
Raise front jack leg (11) to stowed position.
(13)
Place both chock blocks (17) into stowage brackets (18). Secure cables out of the way.
(14)
Release parking brake by pushing knob (19) of parking brake control valve down.
2-34
