Fig. 17 Valve Components

TM-5-3820-256-24-4 Drilling System Well Rotary Truck Mounted Air Transportable 600 Feet Capacity Model LP-12 NSN 3820-01-246-4276 Manual
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SERVICE MANUAL Fig. 17 Valve Components 1 Flow Control Valve 2 Spring 3 Valve Cap 11. Remove flow control valve cap and flow control valve components, Figure 17. 12. Remove discharge fitting and discard O-ring, Figure 18. Fig. 18 Remove O-Ring 1 Discharge Fitting 2 O-Ring 13. Remove threaded retainer ring. 14. Remove pump cover. Tap end of drive shaft lightly to aid removal if necessary. Fig. 19 Pin Location 1 Pump Cover 2 Locating Pin IMPORTANT Some pump housing will be drilled with two locating pin holes. Note position of pin for proper location during reassembly, Figure 19. 15. Remove rear end plate and discard O-rings. 16. Remove the shaft and carrier assembly, roll vanes and then the cam ring, Figure 20. Fig. 20 Remove Components 1 Cam Ring 2 Shaft and Carrier Assembly 3 Rol) Vanes CTS-4027 - Page 14

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