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Arnold "MK1" (MK I) Manhole Cover Lifting Aid - 125kg Capacity

Model:  Arnold MK1 / VMCL-4447

Extender Beam
1 Piece Forged Lifting Keys
MK1 Lifter Extender Bearer Bar Set of Keys


Unit Price Quote Only  

NOTE: This item has separate transport costs (£ 60.00)

Portable and versatile pivoting man-hole cover lifter designed for effortless single person operation.

Arnold Mk1 With Extender Beam Arnold Mk1 Fits Easily In Car Boot

Unfortunately the Arnold MK1 (MKi) has been discontinued. Please see the Arnold MK1 Compact as the current model / alternative.

Arnold Mk.1 is designed to allow a single person to safely remove and replace a variety of manhole, duct and trench covers. It has a safe working load of 125kgs. The effort required to manually operate the equipment is minimal.

Key points

  • Reduces the risk of back injuries.
  • Single person operation resulting in substantial cost savings for businesses
  • Ability to lift covers weighing up to 125 kg
  • Easily transportable.
  • Minimal / effortless operation.
  • Adjustable bearer beam resulting in the ability to lift most sizes of covers, with lifting jacks for stubborn lids.
  • Reduces the risk of dropping the cover down the manhole.
  • Can be used to remove covers on all surfaces e.g. concrete, gravel, grass, block paving, tarmac, etc.
  • Can be used on difficult sloping sites such as steep grass banks
  • Comes with a variety of stainless steel forged, lifting keys, but additional keys can be purchased.
  • Also available in a compact version, the 'Arnold MK 1 Compact'.
  • Optional extender bearer beam with jacks.

Features and Benefits

The device is designed to fold into a compact size making it easy to store and transport. It can also be manoeuvred in its storage mode.

The pivoting bearer beam allows the lid to remain horizontal during the removal and replacement process (see figure 2).

There are a variety of stock lifting keys available for use with most covers encountered in the UK. However should you have a specific key requirement then this can be easily manufactured and supplied.

The wheels are 260mm diameter with pneumatic tyres allowing the device to be travelled across a gravelled surface.

Not designed to travel across rough terrain whilst fully loaded.

The Arnold Mk 1 lifting device has been tested and approved to lift lids up to 125kg and has a self weight of approximately 20kg.

Operational Procedures

1. To operate, the device should be manoeuvred into position whilst in its storage mode. Consideration should be given to where the lid will be stored once it has been removed and the amount of space needed to safely assemble and operate the device (see figure 1.).

2. The pivoting bearer beam (see figure 2) should be parked over the lifting eyes on the lid to be removed.
The lifting keys (purchased separately) should then be guided through the centre of the bearer beam and located into the lid below. To secure, the keys should be rotated 90° and the locking nuts wound down tightly onto the bearer beams. Only when this operation has been completed should the arms of the device be unfolded and locked in position by a catch on the side of the unit.

3. The lid is now ready to be removed. To operate, the arms of the lifting device should be forced down and the lid gently lifted out.
If this operation is met with resistance, you may have to use the additional Extender Bearer Beam, with jakes at each end which can be wound down to help the lid be removed, ( purchased separately).

4. Once the lid has adequate clearance, the entire assembly can be wheeled backwards so that the removed lid can be safely stored on an adjacent ground. NOTE: the arms of the device should be folded back into its storage mode (figure 3) before the lifting eyes are removed.

5. To return the lid, the device should be lined up and simply wheeled forward until the lid is above the correct position and then lowered gently by allowing the arms to lift. The arms should be returned to storage mode before the lifting eyes are removed.

Operation Figure 1 Operation Figure 2 Operation Figure 3

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