Engine Timing Gear - Volvo EPA2007 D13F Reference Manual

Engine Timing Gear

1. Drive gear, crankshaft
2. Idler gear, outer and inner drive
3. Idler gear, adjustable
4. Drive gear, camshaft
5. Idler gear, power steering pump
6. Drive gear, power steering pump
7. Drive gear, air compressor
8. Drive gear, lubricating oil pump
9. Engine power take-off (optional)
Idler gear to camshaft gear backlash
(adjustable)
Oil pump backlash
Idler gear axle-to-bushing clearance
All other drive and idler gear, backlash
SPECIFICATIONS 69
63
Outer: 84, Inner: 56
73
84
29
36
48
31
50
0.05–0.15 mm (0.002–0.006 inch)
0.05–0.40 mm (0.002–0.016 inch)
0.05 mm (0.002 inch) maximum
0.05–0.17 mm (0.002–0.007 inch)
T2022797