3306 VEHICULAR ENGINE FOR D5B, D6D & D7G TRACTORS – Crankshaft

(1) Thickness of thrust plates (new):

Without tabs

6N8940 … .1850 ± .0015 in.(4.699 ± 0.038 mm)

9S3037 … .2320 ± .0015 in.(5.894 ± 0.038 mm)

with tabs:

7N9342 … .2150 ± .0015 in.(5.461 ± 0.038 mm)

7N9343 … .2620 ± .0015 in.(6.655 ± 0.038 mm)

NOTE: Make reference to THRUST PLATE USAGE CHART for the correct thrust plate to use.

(2) Make reference to MAIN BEARINGS and BEARING SURFACE (JOURNAL) FOR MAIN BEARINGS.

(3) Make reference to CONNECTING ROD BEARINGS and BEARING SURFACE (JOURNAL) FOR CONNECTING RODS.

(4) Tighten plugs to … 17 ± 3 lb. ft.(23 ± 4 N·m)

Then “stake” the crankshaft to hold plugs in place. “STAKE” use a center punch and a hammer to change the shape of the hole as shown.

(5) Crankshaft gear:

Do not heat gear to more than 600°F (316°C).

(6) End play for crankshaft (new) … .0025 to .0145 in.(0.064 to 0.368 mm)

Maximum permissible end play for crankshaft (worn) … .025 in.(0.64 mm)

(7) Wear sleeve and seal installation:

Push wear sleeve and seal into position with correct tooling. Make reference to Special Instruction, Form No. SMHS7100 for instructions and the correct tooling for installing wear sleeves and seals.

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