Unhook two safety chains (8) from towing vehicle.
Remove safety pin (9) on towing vehicle and pull up on locking latch (10) to lift pintle hook (11 ).
Using the front jack leg (1), raise trailer lunette (12) off of pintle hook (11). Slowly move towing
vehicle forward to clear trailer lunette.
Push down and close pintle hook (11). Check that locking latch (10) is locked by pulling up on pintle
hook. Insert safety pin (9)
Repeat step (18) on both sides of trailer.
Hold rear scissor jack (13) with one hand and pull out pin (14) with other hand.
Slide rear scissor jack (13) down jack guide (15).
Align top hole in rear scissor jack (13) with hole in jack guide (15) and install pin (14)
Lower scissor jack (13) until it contacts surface.
The lube unit is now in operational position for use.
FILLING THE LUBE TANK. (Refer to Figure 2-31).
Make sure the condensate removal valve (1) is in the "closed" position.
Start the engine (Para. 2-9a).
Air pressure in air receiver tank (2) will automatically build up to 175 psi. A mechanical control shuts
off the compressor at 175 psi and turns it back on if pressure falls below 140 psi. A safety valve is set
to release air into atmosphere when pressure in tank exceeds 200 psi.
Allow pressure to build until the air pressure gage (3) shows a reading of between 140 and 175 psi,
before using the transfer pump.
Transfer pump cannot be used to pump grease.
Remove transfer pump (4) from front compartment of enclosure. Remove bung wrench (5) from
lower drawer of reel cabinet assy (6). Using bung wrench (5) remove plug from drum. Install transfer
pump (4) into drum of lubricant to be dispense.
Grease must be hand-packed into the grease compartment (7) of the lube tank (8).
Remove the transfer pump hose assembly (9) from the tool box assembly (10) and install onto
transfer pump (4).
Pull out the air service hose (11) from the center reel assembly (12) and attach air service hose (11 )
to the transfer pump (4).
Open the lubricant manhole (13) of the lube tank (8) compartment to be filled and insert the transfer
pump hose assembly (9).