Product Description - 3M OSHA 1926.502 Mode D'emploi

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Prior to installation and use of this equipment, record the product identification information from the ID label in the
Inspection and Maintenance Log (Table 2) at the back of this manual.
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Always ensure you are using the latest revision of your 3M instruction manual. Visit the 3M website or contact 3M
Technical Services for updated instruction manuals.

PRODUCT DESCRIPTION:

Figure 1 illustrates the 3M™ DBI-SALA® Variable Offset Davit System. The Variable Davit System is used to raise or lower a
single user to or from a work area. The Variable Davit System consists of the Davit Arm, the Davit Mast, and the Davit Base.
Figure 2 illustrates components of the Variable Davit System. See Table 1 for Component Specifications.
The Davit Arm, in addition to its composite structure, is comprised of the Upper Bracket (A) and Lower Bracket (B), which secure
a lifeline routed through the Davit Pulleys: the Lower Davit Pulley (C), the Upper Davit Pulley (D), and the Rear Davit Pulley (E).
The Winch Bracket (F) secures a winch to the back of the Davit Arm.
The Davit Mast is comprised of one or two Mast Extensions (G). It is secured in place between the Davit Arm and the Davit Base.
The Davit Base is comprised of the Base Center Section (H), the Leg Sleeves (I), and the Leg Tubes (J). The Adjustable Feet (K)
provide height adjustment for the Variable Davit System and keep the system upright. The Tri-Screws (L) and Locking Pins (M)
allow for adjustment of the width of the system. The Level Indicator (N) helps the user ensure that the system is properly level.
System Specifications:
Capacity: 1 Person with a combined weight (clothing, tools, etc.) of no more than 450 lb. (205 kg).
See Section 2.1 for more on anchorage strength requirements for use with the system.
Anchorage:
Dimensions: See Figure 1 for the dimensions of each piece of the Variable Davit System.
Product Weight: See Figure 1 for the weight of each piece of the Variable Davit System.
Standards: Meets the test requirements of OSHA 1926.502 and 1910.140.
Davit A maximum of two Mast Extensions may be used when operating the Variable Davit System, as long as
Compatibility: the combined height of the Mast Extensions does not exceed 90.0 in. (228.6 cm).
When combined with the 8518001 Davit Arm, the Portable Base (8518005) may be used with either the
8518509 or 8518002 Mast Extension. The Portable Base may alternatively be used with the 8518382
Davit Arm without a Mast Extension. See Figure 8.1 for reference.
The one-piece Davit Arms (8518382, 8518383, 8518384) are not allowed for use with any Mast
Extensions (8518002, 8518003, 8518004, 8518509) covered by this instruction. See Figure 8.2 for
reference. The one-piece Davit Arms (8518382, 8518383, 8518384) may be used with 3M Davit
Bases covered by other 3M instruction manuals. Refer to the 3M Davit Base instructions for additional
compatibility requirements.
Component Specifications:
Figure 2
Reference Component
A Upper Bracket
B Lower Bracket
C Lower Davit Pulley
D Upper Davit Pulley
E Rear Davit Pulley
F Winch Bracket
G Mast Extension
H Base Center Section
I Leg Sleeve
J Leg Tube
K Adjustable Feet
L Tri-Screw
M Locking Pin
N Level Indicator
Table 1 – Specifications
Materials
304 Stainless Steel
304 Stainless Steel
Plastic
Plastic
Plastic
Steel
Aluminum with Steel Coupler
Aluminum
Aluminum
Aluminum
Zinc-Plated Steel
Steel
Steel
Plastic
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