CHECKING BACKLASH

TM-5-4320-300-14 Pump Centrifugal Self-Priming Gasoline Engine Driven; 6-Inch 1500 GPM Capacity At 60 Foot Head Manual
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TM 5-4320-300-14 5-9. BLOWER ASSEMBLY (CONT) Location/Item Action Remarks CHECKING BACKLASH 11. Flywheel hous- Remove. ing large hole cover mounting bolts and washers 12. Large hole Remove. Discard gasket. cover and gasket 13. Camshaft gear Check backlash between upper rotor gear and and upper camshaft gear. The backlash should be 0.003 to rotor gear 0.007 inch (0.076 to 0.178 mm). Replace gears if necessary. 14. Large hole Position replacement gasket. Hold in place with cover and cover. gasket 15. Flywheel Install and tighten securely. large hole cover mounting bolts and washers 5-26

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