34
Hook Block Grounding Procedure (300
-
/500
-
/700
-
Series)
Vehicle Start Condition
300
-
/500
-
/700
-
Series
Deployed (any state)
Hook Block Installed but Grounded
ON
Personnel and Time Needed
1 Person
Standard PPE
<5 minutes
Tools and Equipment Needed
None
1.
BOOM UP until the hook block is off the ground (see Fig. 1).
NOTE: If there is too much slack in the wire rope to unground the hook block using BOOM UP, also use BOOM OUT but DO NOT WINCH
UP until the hook block is ungrounded.
2.
Once the hook block is ungrounded, WINCH UP the hook block normally (see Fig. 2).
(Fig. 1): NEVER lift the hook block off the ground via WINCHING UP; ALWAYS BOOM UP/BOOM
OUT to un
-
ground the hook block.
(Fig. 2): Once the hook block is off the ground and there is pressure on the wire rope, you may
WINCH UP the hook block.
