Jackco Power Post Model 892 - Manual (Page 6)

MAINTENANCE
1. Inspect and replace damaged, kinked, twisted, stretched or rusty chain.
2. Inspect hoses and connections. Replace damage components immediately with Jackco
replacement parts only.
3. Tighten connections as needed. Use non-hardening pipe thread compound when servicing
connections.
4. Use only good quality hydraulic fluid. We recommend Jackco Model 01010 Hydraulic Oil or
equivalent.
Lubrication
Use a light machine oil to lubricate pivot points, hinges and all joints of post that move under heavy load.
Storage
1. Depressurize and disconnect hydraulic hoses from ram.
2. Wipe clean and store in dry environment. Avoid extreme temperatures.
TROUBLESHOOTING
Symptom Possible Causes Correct Action
System does not maintain
pressure
• Hydraulic unit malfunction
• Replace or repair ram and / or
pump
Ram does not return fluid to
pump(i.e. ram will not retract)
• Reservoir overfilled
• Ram damaged
• Malfunctioning coupler, damaged
application
• Drain fluid to proper level
• Replace Ram
• Secure load by other means.
• Depressurize pump and hose,
remove coupler and/ or
application, and then replace with
a new one.
Poor performance
• Fluid level low
• Air trapped in system
• Ensure proper fluid level
• With ram fully retracted, remove
oil filler screw to let pressurized
air escape.
Will not lift to full extension • Fluid level low • Ensure proper fluid level
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