Author: S Abdoollah www.marwoodgroup.co.uk MG513/0319
•When the grab is set down again, it will open automatically.
•The automatic release locks it into position so that the grab can be lifted
without closing up.
•The same procedure above is repeated over the next product to be lifted.
•For height operation of the grab, a security net suspended underneath the
load is recommended. Contact Marwood Group for more information.
Note:
1. The block grab is a ONE MAN OPERATION MACHINE.
2. To prevent danger of overturning, the gripping arms must be opened
enough to ensure a secure standing of the device positioned on flat
and firm ground ONLY
3. The forks of the lifting device must be tilted a little to the rear for
safe transportation.
8.0 Pre use checks
•The daily check should be only carried out by a competent person.
•The overall appearance and condition of the Block Grab must be
checked. Examine all welds for any signs of cracking.
•Lifting eye must be checked for any cracks, pitting, twisting, stretching
& wear to the lifting eye.
•The main frame and gripping arms must be straight without any
fractures.
•Automatic release mechanism must be checked for damage, wear, dirt or
bent pins.
•Bolts must be inspected for wear, distortion, stretching, and or twisting.
•Examine all chains for security of both the clamp and the chain
attachment points, also for signs of wear, distortion and or stretching.
•The scissor pivot pins must be inspected for any damage, wear, security.
They must be lubricated were necessary.
•Check height adjuster’s for any damage or distortion. Check the spring
bolt and lubricate where necessary. Adjust to the correct height of the
pack being lifted with the rubbers aligned with the lower edge of the
pack.
•Check rollers and shafts condition for any sign of wear and damage.
•Examine the gripping rubbers for signs of wear, damage and security to
the back plate. Ensure that both back plates are straight.
•Check condition & security of grab handles. Inspect and check welds of
safety net retaining hooks for any sign of wear, distortion and corrosion.
Should any problems / faults arise from the pre-use checks the unit must be
with drawn from service and immediately contact the nearest Marwood
Group Ltd Depot.
9.0 Maintenance of the SG 80 Block Grab
•Maintenance and lubrication are only permitted when the device is stationary.
•This equipment will be subjected to a thorough examination by a competent
person at six monthly intervals.
•All maintenance operation must be made in a closed state of the device.
•Lubricate where necessary all joints.
•Under no circumstances should grease be used to lubricate the automatic
release mechanism. Check for signs of wear to the unit.(USE OIL INSTEAD
IF NEEDED!!)
•The automatic release must be kept clean at all times.
•If the automatic release has a fault, there might be need to change the inset.
•Check all joints, bolts for signs of damage, wear or stretching.
•Never remove data plates of the device.
•The limiting chain and its attachment points should be inspected for wear,
security, pitting corrosion or any unusual appearance such as extended links.
•Unrecognisable data plates must be replaced immediately.
•Check condition and security of gripping rubbers, report damage to your local
Marwood Group Depot. Make sure to clean the gripping rubbers, ensure the
load is free from contamination.
•Grease all sliding’s.
•If the opening path of the gripping arm is blocked by resistance, seek advice
from trained personnel.
Should any faults or damage occur to the device please remove from service
immediately contacting or returning to your nearest
Marwood Group Ltd Depot.
This equipment must not be modified or dismantled.
A full copy of the manufactures operating and safety instructions may
be downloaded from www.marwoodgroup.co.uk or contact your local
Marwood Group Ltd Depot
