Remove telescopic jib pin
Insert the PORTA DAVIT QUANTUM into the socket
as shown
Extend the jib and re-insert the pin
Line up the bottom hole on the backstay with the
required operating radius hole and insert radius
adjustment pin
Remove column/ backstay pin and position the
backstay towards the ground ensuring that the
backstay remains inside the column fins
Release the jib retaining strap and rotate jib
assembly outwards
17
PORTA
DAVIT
QUANTUM
The PORTA DAVIT QUANTUM (Type W) and its constituent components are described in the image below.
The use of a socket extension is optional and the socket type may vary between a Top Mount, Side Mount, Bridge Mount, Cast In or Resin Bonded, depending on application.
Appropriate PPE should be worn:
Gloves
Protective Footwear
Hard Hat
Assembly Instructions
Caution: Potential finger trap.
Assembling the PORTA DAVIT QUANTUM - Type W (Winched)
Column
Restraint Point
Kingpin
Sheave Bracket Assembly
Head
Lower Jib
Carry Handle
Harken LokHead Double
Winch Bracket Assembly
Radius Adjustment Plates and Pin
Telescopic Jib Pin
Upper Jib
Rigid Backstay
Sheave Adjustment Handle
Innovative Bearing
Checkmate Fall Arrest & Retrieval
Column Bracket Assembly
Outer & Inner Shackle
3x Sheaves
Holes on the lower and upper jib need to align.
Caution: Potential finger trap
The backstay connection plates will need to rotate clockwise
to allow for this to happen.
Jib Retaining Strap
PORTA DAVIT QUANTUM
Socket Extension (Optional)
Socket
(Top Mount Shown)
Top Mount socket shown. If using a socket extension, install
first. The use of a ladder may be required.
For disassembly, reverse steps 1-6.
3
4
5
2
1
6
