Faulty fuel injection pump

ENGINE TIMING TO INJECTION PUMP (USING TIMING TOOL! Procedure

T he tool listed will be needed to do the following procedure:

MEL-1056 - Timing Tool

Remove the valve cover. Turn the engine crankshaft until No. 1 cylinder is at TDC, compression stroke (both rocker arms are moving at No. 4 cylinder).

Align the TDC bolt with the mark in the front pulley �.

Remove the fuel injection pump (See Page 7A-7).

Loosen the screw (Item 1) on the timing tool [ID. Set the correct angle at the gauge according to the Injection Pump Code in the chart as listed.

ENGINE AND INJECTION PUMP TIMING MARKS

Injection Pump Eng. Checking Injection Pump Degrees Code Angle Marking Angle BTDC

AJ46E 286-1/2 298 AJ47 286-1/2 298 LJ42 281 290

LJ44E 281 290

LJ47 281 LJ51 281 290 290 18 18 18 18 18 18

Install the adapter into the gear [£). Make sure the dowel pin is in correct alignment. Install the three bolts and tighten.

Move the plate (with V-notch) over the mounting flange [QJ. Turn the timing tool in opposite direction of engine rotation to remove gear play.

T he engine flange timing mark must be in alignment with the V-notch of the timing tool plate.

NOTE: If the marks are 180° apart, the No. 1 cylinder is not at TDC.

lf the mark is not correct, remove the old timing mark. Make a new timing mark on the mounting flange.

IMPORTANT

Make sure to turn the TDC bolt out of the front pulley after the timing procedure is done.

8-4701

8·8069

8-4702