REGULATOR AS-WATER TEMPERATURE 4233773 - Caterpillar

Illustration 1 g01106946
(1) Fuel pump drive gear (3) Bolt (11) Idler gear assembly for the engine oil pump (12) Drive gear for the engine oil pumpNote: Assemble the washer (2) with the large diameter away from the fuel pump drive gear. (4) Idler gear assembly End play for the new idler gear assembly ... 0.10 to 0.41 mm (0.004 to 0.016 inch) Maximum permissible end play for the worn idler gear assembly ... 0.86 mm (0.034 inch) Bore of the new sleeve bearing for the idler gear assembly after assembly ... 35.018 mm (1.3787 inch) Diameter of the new drive idler shaft for the idler gear assembly ... 34.955 0.013 mm (1.3762 0.0005 inch) Clearance between the new drive idler shaft and the new sleeve bearing ... 0.050 to 0.076 mm (0.0020 to 0.0030 inch) Maximum permissible clearance between the worn drive idler shaft and the worn sleeve bearing ... 0.23 mm (0.009 inch)Note: Apply 4C-4030 Thread Lock Compound to the threads of the two bolts and to the jam nut prior to assembly. (5) Torque for two bolts ... 50 10 N m (37 7 lb ft) (6) Torque for jam nut ... 50 10 N m (37 7 lb ft) (7) Assemble the thrust plate with the marking away from the drive idler shaft.Note: Align camshaft gear (8) and crankshaft gear (10) by using the timing marks "V", as shown. (9) Torque for the bolts ... 55 10 N m (41 7 lb ft)Timing Procedure
Illustration 2 g01395739
Insert 7N-1048 Fuel Pump Timing Pin (13) in the timing hole of the fuel injection pump.
Install the fuel pump drive gear (1) , the washer (2) and the bolt (3) . Finger tighten the bolt.
Rotate the crankshaft in direction of the engine rotation and insert the timing bolt in the engine flywheel in order to position the number one piston in top dead center on compression stroke.
With fuel pump timing pin and the timing bolt in the engaged position, tighten the bolt (3) to 68 N m (50 lb ft).
Again tighten the bolt (3) to 270 25 N m (200 18 lb ft).
Remove the fuel pump timing pin and the timing bolt. Replace the cover.