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THE OXFORD DIPPER HOIST IS DESIGNED FOR LIFTING PEOPLE WITH DISABITLITES ONLY AND MUST NOT BE USED FOR ANY OTHER PURPOSE.
Do not use it unless you have had training.
Before using do the following checks:-
After use be sure to enter the names of the operator and the person lifted in the logbook.
Assembly and Checking
SAFETY NOTE: Avoid trapping fingers. Keep fingers away from the end of the mast spigot when inserting into the socket.
NOTE: The release valve requires only minimal tightening to operate and should only be closed finger tight. DO NOT apply excessive force to the valve knob as this will result in damage to the valve.
Note: The raising and lowering of the boom is achieved by a powerful hydraulic ram which is operated by two simple controls. The release valve, which is identified by a black knurled knob, and the pump handle which is a long lever on the side of the hydraulic unit. To raise the boom, ensure the release valve is closed. The valve is closed by gently turning the knurled knob fully clockwise. When closed, pump the long handle with smooth even strokes for maximum effect. The handle strokes from an upright position through an arc of 90 degrees. Leave the handle in the upright position when not in use. DO NOT force the handle beyond the upper or lower stops.
The hydraulic unit can be rotated to allow the handle to be used from either side of the lift. To lower the boom, turn the release valve anticlockwise. The release valve is progressive, the more it is opened the faster the descent. The valve is restricted so even when fully open the descent is controlled. This facility allows for a "hands free" descent. If the release valve is opened a fraction (about an eighth of a turn) a very slow speed of descent will allow the carer to work "hands free" while assisting the person.
REMEMBER to close the release valve before commencing lifting operations. The release valve only requires gentle pressure to open or close, DO NOT apply excessive force to the release valve, either to close or to open. It is not necessary and will only damage the valve.
Lifting from the Boat
AAL Ltd recommend a thorough inspection and test of the Oxford Dipper and lifting accessories, slings etc. is carried out every six months. The examination and test should be conducted according to the recommendations and procedures below. AAL Ltd recommend maintenance, inspection and certified testing is carried out by authorised service dealers only.
Note: These recommendations are in compliance with the requirements of 1998 No 2307 Health and Safety: The Lifting Operations and Lifting Equipment Regulations 1998.
This is a UK regulation. Outside the UK please check your local requirements.
• Spreader Bar: Check the spreader bar for freedom of rotation. Check for wear on the central pivot. Check the attachment to the boom and the operation of the safety latch. Inspect for excessive wear on the sling hooks and any side suspenders used in conjunction with the spreader bar.
• Boom: Check the attachment of the boom to the mast. Make sure the mast clamp screw can be fully tightened and prevents disconnection of the boom from the mast. Check the boom raising and lowering is smooth and unhindered. Lubricate all pivot points as necessary with a light mineral based grease. Check for full engagement of the boom ram pin with the hydraulic ram top. Make sure the boom ram pin is free to pivot on the mounting brackets. Lubricate if necessary.
• Hydraulic Unit: The hydraulic unit should require no maintenance other than checking for correct operation and for leakage of hydraulic fluid.
• Mast: Check the mast rotates freely in the floor socket. Lubricate with a light mineral based grease as necessary. Check the mounting of the hydraulic unit to the mast, make sure the hydraulic unit pivots freely. Lubricate if necessary.
• General: Check all nuts and bolts for tightness. Tighten if necessary.
• Floor Socket: Clean the hole regularly of any mud or debris. Lubricate lightly.
• Cleaning: Clean with ordinary soap and water and/or any hard surface disinfectant. Harsh chemical cleaners or abrasives should be avoided as these may damage the surface finish of the lift.
• Load Test The load test should be carried out in accordance with the manufacturers test procedures. It is strongly recommended the testing is carried out by an authorised service dealer.
• Certification: An authorised service dealer will issue a test certificate after satisfactory completion of the load test. This certificate will be valid for six months.