DBI SALA Sealed-Block 3400944 Manual De Instrucciones página 11

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4.5
OPERATION: Inspect the SRL as described in section 5.0. Connect the SRL to a suitable anchorage or
anchorage connector as previously described. Connect the Self-Locking Snap Hook on the end of the lifeline
to the Dorsal D-Ring on the Full Body Harness (see Figure 7). Ensure connections are compatible in size,
shape, and strength. Ensure hook is fully closed and locked. Once attached, the worker is free to move
about within the recommended working area at normal speeds. If the RSQ Selection Knob is set to 'Fall
Arrest', the SRL will arrest the fall. If the RSQ Selection Knob is set to 'Descent', the SRL will automatically
descend the user to a lower level when a fall occurs. When working with an SRL, always allow the lifeline
to recoil back into the device under control. A tag line may be required to extend or retract the lifeline
during connection and disconnection operations. A tag line can be used to prevent uncontrolled retraction
of the lifeline into the SRL. Depending on the work site environment and conditions, it may be necessary to
restrain the free end of the tag line to prevent interference and entanglement with equipment or machinery.
WARNING:
Do not tie or knot lifeline. Avoid lifeline contact with sharp or abrasive surfaces. Inspect lifeline frequently
for cuts, fraying, burns, or signs of chemical damage. Dirt, contaminants, and water can lower dielectric properties of
the lifeline. Use caution near power lines.
4.6
RSQ™ FALL ARREST/DESCENT MODE SELECTION: Sealed-Blok™ RSQ™ Dual-Mode SRLs are equipped
with an RSQ Knob to select between the Fall Arrest or Descent operating modes of the SRL (see Figure 9).
To select Fall Arrest Mode or Descent Mode:
1. Pull the RSQ™ Engagement Knob outward.
2. Turn the RSQ™ Engagement Knob until the arrow on the face of the knob points to Descent Mode (A)
or Fall Arrest Mode (B) and the RSQ™ Engagement Knob clicks into place with the Selection Notch (as
illustrated in Figure 9).
IMPORTANT:
Sealed-Blok RSQ SRLs are designed for emergency fall arrest and descent and may only be used for a
single, vertical descent. If the SRL is used to descend, remove it from service immediately and send it to an authorized
service center for repair.
RSQ Descent Mode: In Descent Mode, the user automatically descends to a lower level when a fall occurs.
RSQ Fall Arrest Mode: In Fall Arrest Mode, the SRL arrests the fall and the user remains suspended.
Descent is activated and controlled with the RSQ™ Engagement Knob Pull Ring or an optional Extension Pole
Release Tool (see Figure 10):
Engagement Knob Pull Ring: Figure 10 illustrates operation of the Engagement Knob Pull Ring. To
disengage Fall Arrest Mode and initiate descent, grasp the Pull Ring and pull the Engagement Knob
straight out (A). To stop descent; release the Pull Ring to re-engage Fall Arrest Mode (B). To fully engage
Descent Mode so descent continues without pulling the Pull Ring, turn the Engagement Knob counter-
clockwise (C) until the arrow on face of the knob points to the Descent Selection Notch (see Figure 9).
NOTE:
80 lbs - 100 lbs (0.36 kN - 0.45 kN) of pulling force is required to release the RSQ™ Engagement Knob
from Fall Arrest Mode.
Extension Pole Release Tool: Insert the Extension Pole Release Tool from a 90° to 270° angle so
the ends of the Release Forks surround the base of the RSQ™ Engagement Knob below the Knurled
Ridge and Pull Ring (see Figure 10D). To disengage Fall Arrest Mode and initiate descent, push forward
on the Extension Pole until the RSQ™ Engagement Knob is fully lodged in the Release Fork. Descent
will continue as long as the Release Fork is fully lodged between the RSQ™ Engagement Knob and the
Housing. Removal of Release Fork may cause unit to re-engage Fall Arrest Mode.
IMPORTANT:
out as the fork is pushed forward on the knob. It is not necessary to pry the knob with the Extension Pole. Prying could break
off the knob.
4.7
RETRIEVAL OPERATION: Figure 11 illustrates operation of the Integral Rescue Hand Crank on Sealed-Blok
Retrieval SRL-Rs. To activate Retrieval mode and use the Rescue Hand Crank:
1. Loosen the Locking Thumb Screw to release the Crank Arm.
2. Rotate the Retrieval Handle up from the SRL Body 90°.
3. Pull and hold the Shift Knob in the unlocked position.
4. Push the Crank Arm in and release the Shift Knob to engage. If needed, rotate the Crank Arm clockwise
to help engage the gear.
5. Raise and lower the Lifeline as illustrated in Figure 11:
A. To Raise: Rotate the Crank Arm counterclockwise.
B. To Lower: Rotate the Crank Arm clockwise. After Fall Arrest; crank the Crank Arm counterclockwise
slightly first to release the Fall Arrest Brake, then crank the Crank Arm clockwise.
The Release Fork on the Extension Pole Release tool is tapered to push the RSQ™ Engagement Knob straight
11

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