RAM Premium Series Bedienungsanleitung
Self Contained
Hydraulic Jack
Installation and
Operation
Instructions
Pacific Rim International, LLC
19120 SE 34th Street., Suite 105
Vancouver, WA 98683
Phone: 360-859-3828
RAM hydraulic jacks are for trailer applications only. They are
designed for maximum support of 15,000lb (per leg) and lift
capacity of 12,000lb (per leg).
Always load trailer when attached to the tow vehicle.
Pacific Rim International/Pacific Trailer Products is not responsible
for damages as a result of improper use, installation and care for
product.
Maximum pump load to not exceed 3000 psi.
Bolt to trailer frame using the mounting bracket locations as it
works for your specific application (hardware not included). (For
direct weld applications follow ASTM for welding to carbon and low
alloy steel tubes. Weld per specific application. Weld however
should not exceed 1” from the top of the outer tube nor 1” from
the bottom of the outer tube.
Dimensions in these
drawings are in inches.
Bracket dimensions
After bolting the jack to the trailer:
With supplied hardware attach the HPU housing and HPU unit to the
jack.
Up body hose is attached to extend port “raising” on hydraulic jack
(bottom port on jack). (hose supplied) Attach other end to Port A of
HPU unit. Torque both connections to 18 ft lbs.
Down body hose is attached to retract port “lowering” on hydraulic jack
(upper port on jack). (hose supplied) Attached other end of hose to
Port B of HPU unit. Torque both connections to 18 ft lbs.
Using full size deep cycle RV/Marine battery (not supplied) run battery
positive (red) and negative (black) battery cables (not supplied) to the
HPU unit. Should also install insulating boots (not supplied) after
connecting battery cables to HPU Unit.
Positive electrical supply
(red) Battery
connections torque to 3
ft lbs
Negative electrical
supply (black) Battery
connections torque to 3
ft lbs
After making all the connections then:
-Remove the filler/breather cap and fill the reservoir with hydraulic fluid approximately 1” from the
top (see hydraulic fluid recommendations)
- Connect the remote pedant/power switch unit using the quick connects provided
- Keep an eye on the fluid level in the reservoir when operating the power unit. Insure the that
the fluid level doesn’t go lower than ½ full during initial startup. When the cylinder is fully
extended on the jack and/or hoist reservoir should be about ½ full.
- See bleed cycle procedure when operating the hydraulic system for the first time. Air will be
induced into the system and that air needs to be removed.
-If needed refill the reservoir so it is approximately 1” below the top of the reservoir
- Replace the fill/breather cap
- Best to store the remote pendant/power switch in the tow vehicle when not in use to help
preserve this piece
Hydraulic Fluids
See top of reservoir for instruction to ensure optimum performance and system life. Do not use
biodegradable hydraulic fluid. Do not mix hydraulic fluids.
Battery Cables
To minimize voltage drop, increase the gauge size of the battery cables
as the length of the positive and ground cables increase. Low voltage will
cause the motor to run higher amps causing damage to other electrical
components.
Cable Length Wire Gauge Nominal OD (in.)
1 to 2 feet 4 gauge 0.43
3 to 4 feet 2 gauge 0.49
5 to 7 feet 1 gauge 0.56
8 to 9 feet 1/0 gauge 0.61
10 to 12 feet 2/0 gauge 0.66
13 to 15 feet 3/0 gauge 0.72
16 to 19 feet 4/0 gauge 0.78
Bleed Cycle Instructions
- Remove the breather cap to view the hydraulic fluid while operating the hydraulic power unit
- Press the up button on the remote pendant and run hydraulic jack or hoist cylinder 1/3 of the
way up. You may see fluid returning into the reservoir. If you see air pockets or aeration of the
fluid, stop and allow the fluid to settle and continue to raise 1/3 way up.
- Once 1/3 of the way up, press the down button to return fully seated position of the hydraulic
jack or hoist cylinder.
- Make sure the fluid level does not drop below the half full level of the reservoir while running the
power unit
- Press the up button again on the remote pendant and run hydraulic jack or hoist cylinder 2/3 of
the way up. Once 2/3 of the way up is reached, press down button on the remote pendant to a
fully seated position again.
-Again make sure the fluid level doesn’t drop below the half full level of the reservoir
- Press the up button again on the remote pendant and run hydraulic jack or hoist cylinder to full
stroke
- While running and if you see any air pockets or aeration of the fluid in the reservoir, stop and let
the fluid settle, then continue to raise the hydraulic jack or the hoist cylinder
- You may have to repeat this process more than once to completely purge all the air out of the
system
Before operating hydraulic jack, make sure trailer is on a flat/even
surface. Make sure that surface is capable of holding the weight of
the trailer.
Do not lubricate tubes on jacks. It can attract dirt which could
affect operation of jack.
After all steps are completed, using supplied hardware attach the
front metal panel over HPU housing.
15K Hydraulic Jack Operation and Maintenance
Troubleshooting
If jack is not extending or retracting check the following:
- Make sure all electrical connections are secure and battery is
fully charged and grounded.
- Make sure hydraulic fluid is flowing from the HPU unit and
through the lines. Check to make sure there are no leaks or
pinch points in the hoses and all hydraulic connections are
secure.
- If jack retracts after leveled to desired location, check fluid level
in the HPU unit and all connections are secure.
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