3M FLEXIGUARD, User Instruction Manual

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12
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Prior to installation and use of this equipment, record the product identi fi cation information from the ID label in the
Inspection and Maintenance Log (Table 2) at the back of this manual.
PRODUCT DESCRIPTION:
Figure 1 illustrates the Flexiguard
®
Counterweight Trailer Fall Arrest System. The Counterweight Trailer Fall Arrest System is
a vehicle towed fall protection systems with overhead anchorage connections for two people. They are intended for use as
anchorage in a Personal Fall Arrest System (PFAS).
Figure 2 illustrates components of the Counterweight Trailer. See Table 1 for Component Speci fi cations. The system is comprised
of two Boom Arms (A) Anchorage Connection Points (B) mounted on an Adjustable Mast (C) extending from a Counterweighted
Trailer (D). The base of the Adjustable Mast has a Hand Crank Chain Drive (E) to adjust the height of the Mast. The
Counterweighted Trailer is equipped with a Lunette (Pintle) Ring (F) or Ball Coupler for towing behind a vehicle with an SAE Class
4 Hitch. Leveling Jacks (G) and a Tongue Jack (H) are used with an onboard Slope Indicator (I) to stabilize and level the system.
Table 1 – Speci fi cations
System Speci fi cations:
Capacity : One SRL per each Boom Arm Shock Absorbing Anchorage Point.
1 Person per SRL with a combined weight (clothing, tools, etc.) less than or equal to 310 lbs (141 kg).
Tow Vehicle: The Tow Vehicle and Hitch Receiver must be properly equipped to handle the System Speci fi cations (System Weight, Tongue
Weight, etc.).
Anchorage: Structure supporting the Counterweight Trailer Fall Arrest System must withstand a 7,000 lb (31 kN) vertical load.
Anchor Height: Adjustable Mast allows for 12.75 ft - 20.5 ft (3.88 m - 6.25 m) Anchor Height.
Offset: 3.9 ft (1.19 m)
Total System
Weight:
Approximately 5,700 lb. (2,585 kg) with Concrete
System Tongue
Weight
Approximately 570 lb (259 kg)
Component Speci fi cations:
Figure 2
Reference Component Materials Note:
A
Head Assembly and Boom Arms Steel Maximum Capacity: 1 person up to 310 lbs
(141 kg) including clothes, tools, etc. per Boom
Arm and Anchorage Connection Point
B
Anchorage Connection Points Alloy Steel
C
Adjustable Mast Aluminum and Steel
D
Counterweighted Trailer Frame - Steel
Drawbar - Steel
Counterweight - 0.75 yds of
4,000 psi Concrete
Dry Trailer Weight: 1,197 lb (542.95 kg)
Dry Tongue Weight: 154 lb (69.85 kg)
Weight with Concrete: 4,097 lb (1,858.37 kg)
Electrical System: 12 Volt
Counterweight: 2,900 lb (1,315.42 kg)
E
Hand Crank Chain Drive Crank - Steel
Base - Aluminum
Chain Cover - Steel
Chain - Steel
Gears - Steel
F
Lunette (Pintle) Ring or Ball Coupler
G
Leveling Jack Steel
H
Tongue Jack Steel
I
Slope Indicator Plastic
1 Anchorage Connection Points: Each Anchorage Connection Point has been tested and veri fi ed to a safety factor of 2:1 per OSHA.