Fig. 33 Proper Carrier Orientation

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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5. Lubricate the face of the front end plate, shaft bushing and I.D. wall of the cam ring with the same type of fluid as used in the pump, Fig. 32. 6. If shaft and carrier assembly or any of the individual components of the shaft and carrier assembly are being replaced, check orientation of the carrier on the shaft. Looking at the rear of the shaft (opposite driven end), the carrier teeth should be angled to the left as shown in Figure 33 for clockwise pumps and to the right for counter clockwise pumps. Two snap rings are used to hold the carrier to the shaft. Snap rings must be assembled in the grooves closest to each carrier end. 7. Lubricate shaft seal I.D. with a generous amount of multi-purpose grease and install shaft and carrier assembly into pump housing. 8. Insert rolls into carrier and lubricate carrier face and shaft with same type of lubricant as used in pump, Figure 34. 9. Install new pre-formed gaskets into rear end plate. See IMPORTANT notes in Step 1 of assembly procedure. 10. Install rear end plate over locating pin in pump housing with gasket side up, Figure 35. 11. Install cover over the shaft and onto the locating pin, Figure 36. If properly assembled, open slots of body, end plates and cover should align. Fig. 33 Proper Carrier Orientation 1 Carrier Teeth 2 Rear of Shaft Fig. 34 Inserting Rolls 1 Cam Ring 2 Carrier 3 Rolls Fig. 35 Installing Rear End Plate 1 Pre-formed Gaskets 2Rear End Plate Fig. 36 Installing Cover 1 Pump Cover 2 Locating Pin CTS-4027 - Page 19 PRINTED IN UNITED STATES OF AMERICA

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