DT50-55_Tech_Manual_80-677_Pages_for_HPU.pdf

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FY20 Dredge Vessel Yaquina Overhaul
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W9127N19R0059
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Tech manual for vessel crane

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7 - 57 Figure 7-40 Hydraulic Power Unit

7 - 58

Item Notes ASC P/N Qty Description Fig 4-40 48818 Power Pack

1 47275 1BL . Tank Weldment,Hydraulic 2 48826 1 . Motor/Pump Assembly - See Figure 7-41 3 230022 4 . Capscrew 4 228458 4 . Nut, Esna 5 230954 1 . Fitting, El 6 233149 1 . Hose Assembly 7 226088 1 . Fitting, El 8 232944 1 . Fitting, St 9 23025 1' . Hose, Bulk 10 26484 2 . Clamp, Hose 11 223561 1 . Fitting, Mc 12 209091 1 . Fitting, Mc 13 237648 1 . Filter - See Figure 7-43 14 231835 4 . Capscrew 15 233572 4 . Washer, Lock 16 209139 2 . Fitting, Mc 17 17388 1 . Gauge, Sight Level 18 222383 1 . Fitting, Mc 19 220667 1 . Fitting, St 20 11587 1 . Filter 21 232894 4 . Strainer, Magnet 22 47290 1 . Cover Weldment,Tank 23 209512 1 . Fitting, Mc 24 235517 1 . Cap, F/Breather 25 37454 1 . Gasket 26 233866 12 . Capscrew 27 235694 12 . Seal 28 228314 3 . Fitting, Mc 29 48898 1 . Starter Box Assembly - See Figure 7-44 30 231848 4 . Capscrew 31 231853 4 . Washer, Flat 32 231851 4 . Nut, Esna 35 234327 5' . Cable, Unarmored 36 247073 5 . Cable, Marine 37 225895 4 . Insulator 38 210210 8 . Terminal Ring 39 20155 2 . Decal 40 11429 1 . Decal, Warning 41 557202 1 . Decal 42 558560 1 . Decal 43 209323 1 . Fitting, St 44 209140 1 . Fitting, Mc 45 212762 2 . Fitting, Mc

Table 7-40 Hydraulic Power Unit Part List

7 - 59

Fig 7-41 48826 Motor/Pump Assembly

1 41520 1 . Motor Rework,50Hp 2 235318 1 . Couplateing, Half 3 234248 1 . Insert 4 234257 1 . Couplateing, Half 5 237554 1 . Pump Mount 6 233510 6 . Capscrew 7 234172 6 . Washer, Flat 8 246192 1 . Pump - See Figure 7-42 9 228177 1 . Fitting, St 10 223794 1 . Fitting, El 11 203519 1 . O-Ring 12 230596 4 . Capscrew 15 232944 1 . Fitting, St 16 231828 1 . Connector, Cord 17 17143 1 . Bush, Reducer 18 233472 1 . Connector, Cord

Figure 7-41 Motor/Pump Assembly

Table 7-41 Motor/Pump Assembly

7 - 60

23,24

28 27 28

14 20 29

316 6711 81213 10

Figure 7-42 Pump Part List

7 - 61

Fig 7-42 246192 Pump

1 *c - - - - - 1 . Shaft, Splined

3 *c 247102 1 . Bearing, Shaft

4 *c 247100 1 . Ring, Retaining

5 *a - - - - - 1 . .Housing, Pump

6 247098 1 . Retainer, Seal

7 *a 247079 1 . Seal, Shaft

11 246795 1 . Fixed Swashblock

12 247089 1 . Bearing, Hydrodynamic

13 247095 1 . Ring, Retaining

14 *b - - - - - 1 . Retainer Shoe

15 *b - - - - - 1 . Piston & Shoe

16 *b - - - - - 1 . Ball

17 *b - - - - - 1 . Spring, Shoe Retainer

18 *b - - - - - 1 . Cylinder Barrel

19 *a - - - - - 1 . Roll Pin

20 *a - - - - - 1 . Pin, Saddle & Hsg Locator

21 *d - - - - - 1 . Gasket, Valve Plate

22 *d - - - - - 1 . Valve Plate, Rh

23 *d 247108 1 . O-Ring

24 *d 247110 1 . Plug, Hp-2

25 *d 247107 4 . Capscrew

26 247075 1 . Nameplate, Id

27 247080 2 . Drive Scr

28 *d - - - - - 1 . Seal Kit, O-Ring

29 *c - - - - - 1 . Ring, Retaining

35 246796 1 . Seal, Oring

36 233223 1 . Gasket

37 246797 1 . Screw, Hex Head

38 247798 1 . Plate Cover

*a 233204 1 . Kit, Hsg & Pin

*b 233205 1 . Kit, Rotate Group

*c 233206 1 . Kit, Shaft & Brg *d 235934 1 . Kit Valve Plate

Table 7-42 Pump Part List

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