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

Model:  Arnold MK1 Compact / CMCL-4448

Arnold Mk1 Compact Deployed
Manhole Lifter Keys
MK1 Compact - 2 Point Lifter
Set of Keys


Part N° Description Unit Price Quantity
4448-T23013 MK1 Compact Lifter with 1 Set of Keys - No H-Frame Bearer Beams £  1224.19
4448-T23014 MK1 Compact Lifter with 2 Sets of Keys and 800mm H-Frame Bearer Beams (complete setup) £  1892.74
4448-T24045 Additional Set of Keys £  345.97
4448-T24046 Pair of 800mm bearer beams and clamps to form H-frame £  322.58
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Portable, compact and versatile pivoting man-hole cover lifter designed for effortless single person operation.

The Arnold 'MK 1 Compact' 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 more robust version, the 'Arnold MK 1'.
  • 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.

Stored Arnold Mk1 Compact Deployed Easily Transportable

Optional Accessories

Pair of Bearer Bars and Clamps - Forms H-Frame

H Beam Bearer Bars And Clamps
H Frame Bearer Beams

Additional Set of Keys (1 set included in standard kit)

Arnold Mk1 Keys

Operating Instructions

1. From storage mode, Wind the jack handle of the bearer beam anti clockwise (Figure 1). Pull the handle section back and lower it to the floor (Figure 2). Remove the bearer beam and place it over the lid.

2. The lifting keys 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 beam.

3. The locating pin in the lower section should now be removed and the handle section guided through the gap in the lower section and locked into position by replacing the locating pin (Figure 3)

4. The device can now be maneuverd into position, the front section should be located under the handle of the bearer beam (Figure 4).

5. 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 (Figure 5). If this operation is met with resistance, you can wind the bearer Beam jacks down, this will help release the lid (You may have to tap the lid with a mallet).

6. Once the lid has adequate clearance, the entire assembly can be wheeled backwards so that the removed lid can be safely stored on adjacent ground.
NOTE: the device should be removed from the bearer beam before the lifting keys are removed.

7. 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.

Figure 1 Figure 2 Figure 3 Figure 4 Figure 5


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