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4
OPERATING & MAINTENANCE INSTRUCTIONS
Connection a Single Acting Cylinder
1.
Connect the hydraulic hose to the air/hydraulic pump to the hydraulic coupling on the
air
-
hydraulic powered cylinder.
2.
Please use a pump with a release valve or a 3
-
way valve and one hose to connect with
Single Acting Cylinder (Figure 1). After connected all parts, please fully hand
-
tighten all
couplers. If not, oil will be leaked between the pump and cylinder.
Bleeding Air from the Cylinder
Air may accumulate within a cylinder during shipment or after prolonged use; this air can cause the piston rod
to respond
“
dithering.
”
Please follow the steps below to bleed the air from cylinder.
Single
-
Acting Cylinders:
Position the cylinder as figure 3 shows, so that the piston rod is extended down and the cylinder lower than
the pump. Fully extend and retract the cylinder 1 or 2 times. It may be necessary to repeat the above steps
several times.
For single acting cylinders, please do not allow piston rod to rotate when installing adaptors or during the
work. Rotating piston rod may damage the return spring.
Maintenance
1.
Please always use clean oil or other approved hydraulic oil with these cylinders. Use other unapproved oil
or dirty oil will damage the cylinders.
2.
Always keep cylinder clean, use thread protector and dust cap to protect collar thread and couplers.
3.
After finish work, Cylinder must be fully retracted, cleaned and stored in ventilation, moist
-
proof, corrosion
-
proof place.
STAK
-
ABLE HYDRAULIC RAM KIT #10316
Figure 2.
Figure 1.
Warning:
PLEASE READ AND FOLLOW THIS INSTRUCTION BEFORE YOU USE ESCO CYLINDERS.
WARNING:
Before use cylinder read and understand general safety rules and warnings. Always
visually check all units, to make sure there are no damage on cylinder, port threads, couplers and hose. Be
mindful of oil leaking and shortage of parts, if missing or leaking, do not use equipment and contact ESCO
repair technician.
