3M Ladder Climb Instrucciones De Uso página 8

S 1. I 3M
TEP NSTALL
Attach the 3M Extended Top Bracket M400-10 to the front of the top three ladder rungs, see Fig.
1B, with U-bolts passing around the ladder rung through the 3M Extended Top Bracket M400-10
and secured with washers and nuts. Nuts are to be torqued to evenly 15 ft-lbs. The end of the
3M Extended Top Bracket M400-10 with the cable, energy absorber, and back-up cable attached
must be at the top, and the entire bracket must be square and centered to the ladder.
S 2. C 3M
TEP ONNECT
A new system will have the 3M Cable Assembly RC M400 Cable Assembly already attached to
the 3M Extended Top Bracket M400-10.
To attach the 3M Cable Assembly RC M400 to the top of the 3M Extended Top Bracket M400-
10, pass the ½ inch bolt through the front of the 3M Extended Top Bracket M400-10, through the
eye of the energy absorber, through the loop of the back-up cable, and through the back of the
3M Extended Top Bracket M400-10 and secured with washer and nut. Allow the cable to hang
freely down center of the ladder.
S 3. I 3M
TEP NSTALL
Attach the 3M Bottom Bracket M400-2 to the front of the two ladder rungs, see Fig. 1A, low
enough to connect to the system while standing at grade. Clamp plates securely to the top
rung by passing the square U-bolt around the 3M Bottom Bracket M400-2 and through the
clamp plate capturing the ladder rung. Secure with washers and nuts. The lower ladder rung is
captured with the rung U-bolt passing around the ladder rung through the bottom holes in the
3M Bottom Bracket M400-2 and secured with washers and nuts. Nuts are to be evenly torqued
to 15 ft-lb. The eye bolt of the 3M Bottom Bracket M400-2 must be facing upwards, and extend
leaving ¼ inch of threads below the nut to tension the system. The entire bracket must be square
and centered to the ladder.
S 4. A C
TEP TTACH ABLE TO THE
The unfi nished end of the cable is for system length adjustment. Take the 3M
8 and open by twisting the ends apart enough to fi t over the eye bolt on the 3M Bottom Bracket
M400-2. Do not attempt to pull the ends of the 3M Thimble M400-8 directly away from each
other. Twist back to original position. Turn back cable over the 3M Thimble M400-8 until the
desired length is reached and apply fi rst 3M
M400-8. Use torque wrench to tighten fi st grip evenly, alternating from one nut to the other until
reaching 45 ft-lb of torque. Apply the second 3M Fist Grip M400-3 as near to the 3M Thimble
M400-8 as possible.
S 5. T
TEP ENSION THE
Tension the system by tightening the nut on the eye bolt of the 3M Bottom Bracket M400-2. The
cable should be taut to eliminate slack. Do not over tension the system.
Warning: Over tensioning the 3M
damage to the energy absorber at the top of the system.
Misuse or failure to follow warnings and instructions may result in serious personal injury or death.
TM
E T B
XTENDED OP
TM
C A
ABLE SSEMBLY
TM
B B
OTTOM RACKET
3M B
OTTOM
TM
S
YSTEM
TM
Ladder Climb Cable Vertical Lifeline will result in
M400-10
RACKET
RC M400 (
IF NEEDED
M400-2
B M400-2
RACKET
Fist Grip M400-3 5¼ inchs from the 3M Thimble
8
)
TM
Thimble M400-