Product Manual

17
MAINTENANCE INSTRUCTIONS
If you use and maintain your equipment properly, it will give you many years of service. Follow the
maintenance instructions carefully to keep your equipment in good working condition. Never perform
any maintenance on the equipment while it is under a load.
Inspection
You should inspect the product for damage, wear, broken or missing parts (e.g.: pins) and that all
components function before each use. Follow lubrication and storage instructions for optimum
product performance.
Binding
If the product binds while under a load, use equipment with equal or a larger load capacity to lower
the load safely to the ground. After un-binding; clean, lubricate and test that equipment is working
properly. Rusty components, dirt, or worn parts can be causes of binding Clean and lubricate the
equipment as indicated in the lubrication section. Test the equipment by lifting without a load. If the
binding continues contact Customer Service.
Cleaning
If the moving parts of the equipment are obstructed, use cleaning solvent or another good degreaser
to clean the equipment. Remove any existing rust, with a penetrating lubricant.
Lubrication
This equipment will not operate safely without proper lubrication. Using the equipment without proper
lubrication will result in poor performance and damage to the equipment. Some parts in this
equipment are not self-lubricating inspect the equipment before use and lubricate when necessary.
After cleaning, lubricate the equipment using light penetrating oil, lubricating spray.
-Use a good lubricant on all moving parts.
-For light duty applications, use lubrication once a month.
-For heavy and constant application, weekly lubrication is recommended.
-NEVER USE SANDPAPER OR ABRASIVE MATERIAL ON THESE SURFACES!
Rust Prevention:
-Check rams and pump plungers on the power unit assemblies daily for any signs of rust or
corrosion.
Without a load, lift the equipment as high as it goes and look under and behind the lifting points. If
signs of rust are visible, clean as needed.
How the Long Ram Operates
With release valve closed, an upward stroke of the long ram handle draws oil from the reservoir tank
into the plunger cavity. Hydraulic pressure holds the valve closed, which keeps the oil in the plunger
cavity. A downward stroke of the long ram handle releases oil into the cylinder, which forces the ram
out. This raises the hydraulic ram. When the ram reaches maximum extension, oil is bypassed back
into the reservoir to prevent an over extended ram stroke and possible damage to the long ram.
Opening the release valve allows oil to flow back into reservoir. This releases hydraulic pressure on
the ram, which results in lowering the hydraulic ram.
Storing the Crane
1. Lower the Lifting Arm.
2. Place the handle in the upright position.
3. Store in a dry location, recommended indoors.
Note: If the crane is stored outdoors, be sure to lubricate all parts before and after use to ensure
the crane stays in good working condition.