CROSBY MODEL PL-N/O
HOOK LATCH KIT

WARNING AND APPLICATION INSTRUCTIONS

WARNING

Loads may disengage from hook if proper procedures are not followed.
A falling load may cause serious injury or death.
See OSHA Rule 1926.550(g) for Personnel Hoisting by Crane or Derricks. A Crosby or McKissick Hook with a Positive Locked PL-N/O or S-4320 Latch may be used to Lift Personnel.
Hook must always support the load. The load must never be supported by the latch.
Read and understand these instructions before using hook and latch.

Important Safety Information -
Read & Follow

Always inspect hook and latch before using.
Never use a latch that is distorted or bent.
Always make sure spring will force the latch against the tip of the hook.
Always make sure hook supports the load. The latch must never support the load. (See Figure 1 & 2.)
When placing two (2) sling legs in hook, make sure that angle between the legs is less than 90^° and if the hook or load is tilted, nothing bears against the bottom of this latch. (See Figure 3 & 4).
Latches are intended to retain loose sling or devices under slack conditions.
Latches are not intended to be an anti-fouling device.

IMPORTANT - Instructions for Assembling Model PL-N/O Latch
on Crosby or McKissick Hooks

	Step 1 1. Place hook in upright position. Position coils of spring over cam with legs of spring pointing toward tip of hook, and loop of spring positioned down and lying against the hook.	Step 2 2. Slip the latch over the spring until the two spring legs are positioned into the grooves located on the inside of the latch housing (legs of spring should fit between the gate and the housing).	Step 3, 4, 5 & 6 3. Slide latch housing up the spring legs until latch clears hook tip. 4. Resting latch on interlocking hook tip, line up holes in latch with hook cam. 5. Insert bolt through latch spring & cam. 6. Tighten self-locking nut on one end of bolt.	Step 7,8 - For Personnel Lifting 7. Rigging should be resting in bowl of hook, with latch in closed position and gate locked. 8. Insert toggle lock pin through hole and depress spring until toggle clears hole on other side of latch.	Step 9 - For Personnel Lifting 9. Rotate toggle 90 degrees to secure pin (ensure toggle is in closed position as shown).


Rev.1