Tools Replacement:
Replace for CAT J-42083 Automatic Timing Pin, OTC J-38587-A Engine Barring Socket.

Automatic Engine Timing Pin and Adapter:
Works on Caterpillar C-7, C-9, C-11, C-13, C-15, C-16, 3179, 3196, 3200, 3300, 3406 and 3408.

Engine Barring Socket:
Works on CAT 3200/3406 Series C13/C15/C16 /3208/3400/3406e/3508/3512/3500 engines.

Function:
The Automatic Timing Pin and Adapter for Caterpillar engines simplifies TDC valve/injection timing;The Engine Barring Socket used to turn over engine, and makes adjusting injectors and valve lash easier.

Caterpillar Timing Lock Pin Instructions:
1. Remove the plug from either the left or right side timing access holes.
2. To install, hand tighten the J42083 Automatic Timing Pin Lock into the timing access hole.
3. Preload the spring on the automatic timing lock by pushing the slide handle forward and turn it clockwise to engage either of the two locking slots.
4. Manually, turn engine in direction of rotation(usually counter clockwise..refer to Caterpillar Service Manual) until a notice “click” sound is heard. The automatic timing pin plunger has now engaged the flywheel timing holes in either the top center compression or exhaust stroke.
5. To remove, turn slide handle counter clockwise to release spring tension on the plunger(if plunger doesn't retract from flywheel with light pressure, jog the flywheel back and forth). Unscrew from flywheel housing.

Engine Barring Socket Instructions:
1. Insert the tool into the flywheel housing until it engages the ring gear.
2. Then attach a 1/2-Inch square drive ratchet or breaker bar and turn.

Package included:
-- 1pc Automatic Engine Timing Pin;
-- 1pc Engine Barring Socket