LINES GP-RIPPER 2707883 - Caterpillar

Illustration 4 g02975218
Illustration 5 g02915777
(1) Camshaft Set Screw
(2) Camshaft Pulsar Gear Set Screw
Table 4
Tightening torque Camshaft set screw 24 to 27 N m (18 to 20 lb ft)
Camshaft pulsar gear screw 4.7 to 5.6 N m (3.5 to 4.1 lb ft) Timing Gear Backlash
Illustration 6 g03852802
(1) Supply Pump Gear
(2) Idler Gear 1
(3) Camshaft Gear
(4) Crankshaft Gear Note: The Illustration is a representation and is not the actual configuration.
Table 5
Backlash between crankshaft gear and Idler Gear 1 Factory specification 0.0490 to 0.193 mm (0.00193 to 0.00759 inch)
Allowable limit 0.22 mm (0.0087 inch)
Table 6
Backlash between Idler Gear 1 and camshaft gear Factory specification 0.0490 to 0.189 mm (0.00193 to 0.00744 inch)
Allowable limit 0.22 mm (0.0087 inch)
Table 7
Backlash between Idler Gear 1 and fuel injection pump gear Factory specification 0.03 to 0.165 mm (0.001 to 0.006 inch)
Allowable limit 0.22 mm (0.0087 inch) Side Clearance of Idler Gears
Illustration 7 g02915876Note: The Illustration is a representation and is not the actual configuration.
Set a dial indicator with its point on the Idler Gear 1.
Move the Idler Gear 1 to the front and rear to measure the side clearance.
Table 8
Side clearance of Idler Gear 1 Factory specification 0.15 to 0.30 mm (0.0059 to 0.011 inch)
Allowable limit 0.90 mm (0.035 inch)
If the measurement is more than the allowable limit, replace the Idler Gear 1 collar. Oil Clearance between Idler Gear Shaft 1 and Idler Gear 1 Bushing
Illustration 8 g02973422
Measure the idler gear shaft outside diameter with an external micrometer.
Illustration 9 g02973488
Measure the idler gear bushing inside diameter with an internal micrometer.
Calculate the oil clearance.
Table 9
Oil clearance between idler gear shaft 1 and idler gear 1 bushing Factory specification 0.050 to 0.091 mm (0.0020 to 0.0035 inch)
Allowable limit 0.10 mm (0.0039 inch)
Table 10
Idler gear 1 bushing inside diameter 45.025 to 45.050 mm (1.7727 to 1.7736 inch)
Idler gear shaft 1 outside diameter 44.959 to 44.975 mm (1.7701 to 1.7706 inch) Note: If the oil clearance is more than the allowable limit, replace the bushing.