140B MOTOR GRADER Caterpillar


Timing Gears

Usage:

Tighten bolts which fasten into front plate to ... 17 ± 3 lb. ft.(23 ± 4 N·m)

Six studs and nuts hold the cover for the fuel injection pump drive gear. Put 8H5137 Thread Sealant on the threads of the studs before installing them in the front housing.

Tighten six nuts holding cover for fuel pump drive gear to ... 20 ± 5 lb. ft.(25 ± 7 N·m)

(1) With the timing pin and timing bolt correctly installed, put a clockwise force of 50 lb. ft. (70 N·m) on the drive gear for the fuel pump and tighten bolt (1) to ... 110 ± 5 lb. ft.(149 ± 7 N·m)

(2) Camshaft gear.

(3) End play for the idler gear (new) ... .004 to .016 in.(0.10 to 0.41 mm)

Maximum permissible end play (worn) ... .034 in.(0.86 mm)

Bore in bearing for the idler gear (new) ... 1.3781 ± .0019 in.(35.004 ± 0.048 mm)

Diameter of shaft for idler gear (new) ... 1.3741 ± .0005 in.(34.902 ± 0.013 mm)

Clearance between shaft and bearing (new) ... .0016 to .0064 in.(0.041 to 0.163 mm)

Maximum permissible clearance between shaft and bearing (worn) ... .009 in.(0.23 mm)

(4) Crankshaft gear.

(5) Idler gear for oil pump.

(6) Drive gear for oil pump.

Back to top
The names Caterpillar, John Deere, JD, JCB, Hyundai or any other original equipment manufacturers are registered trademarks of the respective original equipment manufacturers. All names, descriptions, numbers and symbols are used for reference purposes only.
CH-Part.com is in no way associated with any of the manufacturers we have listed. All manufacturer's names and descriptions are for reference only.