BOLT 7X0311 - Caterpillar

Table 1
Injection timing    
Engine     Maximum rated engine speed     Injection timing (BTC) (1)    
C1.5/3013C Genset     1500     14° 1°    
1800 14° 1°    
3000 20° 1°    
C2.2/3024C Genset     1500     12° 1°    
1800 12° 1°    
3000 18° 1°    
C2.2T Genset     1500     15° 1°    
1800 15° 1°    
( 1 ) Before Top Center
Illustration 1 g00836394
(1) Timing mark on the camshaft gear (2) Timing mark on the idler gear (3) Idler gear (4) Timing mark on the camshaft gearMinimum backlash for all gears ... 0.08 mm (0.003 inch)Maximum backlash for all gears ... 0.25 mm (0.010 inch)Note: If the backlash is greater than the maximum backlash, replace the camshaft gear, the idler gear and the crankshaft gear.When the idler gear is installed on the shaft of the oil pump, align a timing mark on idler gear (4) with the timing mark on crankshaft gear (2). Also, align the other timing mark on idler gear (4) with the timing mark on camshaft gear (3).