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