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(2) Remove the pump lever handle (painted red)
Before traveling on ramp, store pump
f r o m the storage tube provided on the side of the
handle in storage tube.
r a m p and insert into the socket at the top of the
h. Stowing Procedures.
( 3 ) Close the pump control valve (painted red)
(1) Check left side of ramp to see that the quick
by turning the handle at the end of the pump
detaching trailer hitch is properly stored in the
compartment and ready for use.
(4) Actuate the pump with the lever handle
(2) Check the left side of ramp for hydraulic lift
until desired ramp level is obtained.
pump operator lever handle and see that it is
properly  stowed  in  the  tubular  recessed  com-
c. Position.
(1) Position your ramp so that its forward
a p r o n overlaps the floor of the truck, rail car or
(3) Check tires for proper inflation which is 100
platform that is being serviced.
psi for the 21" x 6.90-10 ply tire.
(2) The apron stops should be against the outer
( 4 ) Check safety chains to see that they are
edges or door rails of the vehicle or platform.
p r o p e r l y stowed and in working order. For short
hauls or off highway transport, chains may be
Do not attempt to back the vehicle being
joined together over the top of the ramp to prevent
l o a d e d into the ramp since the ramp is
dragging on the ground. For transport on public
h i g h w a y s remove bolts securing chain assembly to
designed  for  easy  manual  positioning.
The ramp is balanced for easy positioning
ramp and stow chains in compartment on right side
by first elevating the ramp to fully raised
of ramp. Always return bolt to securing position and
tighten in captive nut to avoid loss in transporting.
d. Lower.
(5) Inspect unit carefully for grease or hydraulic
(1) Lower your ramp by opening the pump
leaks and any visual signs of damaged components.
control valve slowly.
3-2. Operating Instructions for Coil Spring Sup-
(2) Closing the pump control will stop the ramp
sension System
in any position.
Unit as received by customer will be in disengaged
A l w a y s leave the pump control valve in
c o n d i t i o n . To engage springs for distance towing,
an open position when the ramp is being
the following steps are necessary.
u s e d . This prevents the load from being
a. Pump ramp up to its highest level.
t r a n s f e r r e d to the hydraulic system and
b. Pull out handle No. 58-7 to disengage anchor
pin No. 58-6 (see Fig. 3-3).
tires. (If the valve is accidently closed, the
overload by-pass safety valve will release
c. Pull lever assembly No. 59-2 and raise springs
into position to engage locator saddle in main frame
when a load passes over the ramp.)
e. Lock.
(1) Be sure to lock your ramp in position with
d. Push pump control lever No. 14 (see fig. 2-5),
the two spring loaded safety chains. Fasten the
a l l o w ramp to settle onto springs and close pump
hooks to floor or frame members of carrier.
control lever.
(2) Pull the loose chain over the slotted angle,
e. Push in on handle No. 58-7 and engage anchor
s t r e t c h i n g the spring enough to hold the hook in
p i n s No. 58-6 (fig. 3-3) both sides). This step may
require a slight raising or lowering of ramp to
position. The spring should be under tension at all
p e r m i t easy engagement of both anchor pins No.
times to assure that the hook is properly secured to
58-6 located on each side of the ramp.
the frame members.
f. P u s h p u m p c o n t r o l l e v e r a n d a l l o w r a m p t o
f. Use of Ramp. The loaded end of the power lift
t r u c k should always be toward the elevated end of
settle on Spring and Pilot Assembly.
t h e ramp and the lift raised high enough to avoid
g. R a m p i s n o w r e a d y f o r d i s t a n c e t o w i n g o r
contact with the ramp deck.
terrain  towing.
g. Maintain.
(1) Avoid ramp downtime by observing the
h. Close pump control lever, and pump handle,
raising ramp until springs are free of load.
instructions outlined in Section
(2) Never exceed the rated
load capacity.
i. Disengage anchor pins No. 58-6.
j. C o n t i n u e t o p u m p h a n d l e , r a i s i n g r a m p u n t i l
(3) Stow ramp and check
stowing procedures
before permitting movement of
loaded vehicles.
Spring and Pilot Assembly falls free.

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