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OPERATING INSTRUCTIONS
This is the Safety Alert Symbol used for the OPERATING INSTRUCTIONS section of this manual to alert you to potential
personal injury hazards. Obey all instructions to avoid possible injury or death.
1.
Study the work to be done in order to determine the type ram and other attachments you will be using. Consult the enclosed chart
titled "Applicable force for component set ups" in order to determine the maximum allowable force to be used in your specific
setup. All rams have female hose disconnects attached to them, and the end of the hose has the male quick disconnect attached to
it. Insert the male quick disconnect at the end of the hose all the way in to the ram's female quick disconnect. Slide the female con-
nector's threaded sleeve on to the threads of the male connector and hand tighten. Never use any tools to tighten this connection.
2. Consult this Owner's Manual section titled APPLICABLE FORCE FOR COMPONENT SET UPS for typical attachment and extension
tube setups and pay very close attention to the corresponding load ratings of certain attachment connections. The use of extension
tubes, ram or plunger toes greatly reduces the hydraulic system's capacity. When using extension tubes, put the shortest tubes on the
ends of the setup.
3.
The pump may be operated in the horizontal or vertical position but the pump must point down when used in the vertical position.
4.
Make sure all hydraulic and attachment connections are fully engaged and tight so ram force is straight in order to avoid off-center
load conditions.
5. During setup, make sure the hose routing avoids kinks, twists, curls or bends that will impede hydraulic fluid flow. Do not use the hose
as a means to carry the kit components. Do not subject the hose to any hazards such as fire, extreme heat or cold, sharp surfaces,
or heavy impact. IF A HOSE RUPTURES, BURSTS, OR NEEDS TO BE DISCONNECTED, IMMEDIATELY SHUT THE PUMP OFF AND
OPEN THE RELEASE VALVE TO RELEASE HYDRAULIC PRESSURE. NEVER GRASP A LEAKING PRESSURIZED HOSE, FITTING OR
COMPONENT WITH YOUR HANDS OR SUFFER SERIOUS INJURY.
6.
Always use the force gauge to make sure you are within the required force range when operating the system.
7.
In order to pump the ram, it will be necessary to turn the release valve knob in a clockwise direction until tight. Tighten by hand only.
8.
Pumping the handle up and down transfers the hydraulic fluid from the pump's reservoir, through the hose, in to the cylinder and ex-
tends the ram with each incremental pump stroke.
9.
To release the pressure and return the ram back in to its cylinder, turn the release valve knob in a counterclockwise direction very
slowly. Turning the release valve knob slowly will determine the speed in which the ram will retract back into its cylinder.
IMPoRTANT: The pump includes an overload valve that will activate at the pump's rated capacity only. If the setup requires a reduced
rating, the operator is responsible for using the gauge to determine when to stop pumping since the overload valve is set to a higher
rating.
10. Make sure the ram is completely retracted inside its cylinder before disconnecting the hose from the cylinder.
11. The air and hydraulic quick disconnect fittings are repeatedly disconnected and exposed to shop or work place floors that are covered
with dirt and debris. It is important to use the dust caps provided to prevent contaminants from entering the air and hydraulic systems.
12. Based on continuous engagement and disengagement of the hose from the cylinder, eventually it will become necessary to add hy-
draulic fluid to the pump's reservoir. Completely retract the ram before adding hydraulic fluid. Do not overfill in order to avoid personal
injury and hydraulic malfunction. Use only hydraulic jack oil, NAPA #765-1541 or 765-1542. Other fluids will cause damage to the
hydraulic seals.
APPLICABLE FORCE
FOR COMPONENT SET UPS
Spreader Capacity
100% of Ram Capacity
50% of Ram Capacity
791-1142
OPERATING MANUAL & PARTS LIST FOR 791-1142
50% of Ram Capacity
100% of Ram Capacity
50% of Ram Capacity
25% of Ram Capacity
25% of Ram Capacity
6% of Ram Capacity
3
09/28/11
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Table des Matières
