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Denison Hydraulics Goldcup Series, Service Information, Page: 15 / 48

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15

PARTS LIST FOR FIGURE 3
rocker cam, pistons and retainer

item

description

part no

qty.

1

retaining ring (yellow) .083" (2.11 mm)

033-70484

1

retaining ring (green) .081" (2.06 mm)

033-70488

retaining ring (red) .079" (2.01 mm)

033-70490

retaining ring (white) .087" (2.21 mm)

033-72175

retaining ring (blue) .085" (2.16 mm)

033-72176

retaining ring (black) .077" (1.96 mm)

033-54826

retaining ring service kit

S23-12461

2

thrust washer

033-72249

1

3

not used

4

piston & shoe assy. w/retainer

See below

5

creep plate

033-71261

1

6

button hd. screw

353-25041

2

6a

setscrew, 2 ea.

312-09032

2

7

servo stem

033-71312

2

8

orifice screw 

033-70819

2

9

servo plate

033-53874

1

*10

hex. hd. screws 7/16-14 x 2-1/2

306-40183

4

*11

hex. hd. screws 1/4-20 x 1-1/4

306-40188

4

*12

hex. hd. screws 1/4-20 x 2-1/4

306-40187

4

*13

hex socket plug SAE-4

488-35001

2

*14

O-ring 90-6290-4

691-00904

2

*15R

right side chamber cover CW rot.

033-70572

1

right side chamber cover CCW rot.

033-70612

*15L

left side chamber cover CW rot.

033-70571

1

left side chamber cover CCW rot.

033-70574

*16

dowel pin 1/4 x 1-1/2

324-21624

4

*17

chamber 033-72266

2

*18

seal

606-25036

2

*19

steel ball 3/16 

201-06001

4

*20

rocker cradle

033-53951

1

*22

hold down vane 

033-70816

4

*23a

-seal backup plate

033-70802

4

*23b

-vane seal

033-70501

2

*23c

-O-ring 90-914-20

691-00120

2

*23d

-spacer

033-70519

2

*23e

-check valve

033-70803

2

*24

rocker cam 

S23-12105

1

25

pressure tube

033-70524

2

*Note: Item 10 through 24 can be ordered as a complete rocker cam & control stroking
assembly.

S23-12196 is for RH pumps
S23-12197 is for LH pumps 

item

description

P6S

P7S

P8S

qty.

4

piston & shoe assy.

S13-43655

S13-42308

S21-11650

1

w/retainer

4a

shoe retainer

033-54290

033-54290

033-57376

1

4b

piston & shoe assy.

S13-45680

S13-46040

S21-11649

7

ASSEMBLY PROCEDURES

Summary of Contents for Goldcup Series

Page 1: ...nison denisonhydraulics com Internet http www denisonhydraulics com Publ LT3 00058 2 Replaces S1 AM025 A Revised 9 02 goldcup series DENISON HYDRAULICS P6 P7 P8S closed circuit piston pumps service in...

Page 2: ...rrel holddown 19 valve block before 7 93 20 valve block after 7 93 22 valve block for special mounting of servo valve before 7 93 26 valve block for special mounting of servo valve after 7 93 29 outpu...

Page 3: ...e product information specifications and descriptions contained in this publication have been compiled for the use and convenience of our customers from information furnished by the man ufacturer and...

Page 4: ...dryseal NPTF control pressure gage ea side G SAE 8 straight thread int aux pump outlet to filter H SAE 8 straight thread filter return I SAE 16 straight thread inlet to optional pump gear pump SAE 1 1...

Page 5: ...corners must be chamfered 030 040 75 1 mm at 45 to clear radii that exist in the keyway Splined or Keyed Both types of shafts will accept a side load of 170 lbs 77 kg at the center of the spline or ke...

Page 6: ...and Assembly Procedures Fluid must be cleaned before and continuously during operation by filters that maintain a cleanliness level of NAS 1638 Class 8 START UP PROCEDURE Read and understand the instr...

Page 7: ...ump or motor fluid too viscous rotating group fluid too heavy shaft speed too high suction line too small suction line collapsed suction strainer too small suction strainer too dirty operating altitud...

Page 8: ...ter maintain firm control excessive improve decompression control decompression energy rates excessive line reduce line size or lengths capacitance eliminate hose line volume line stretch accumulator...

Page 9: ...9 ASSEMBLY TOOL DRAWINGS Note Dimensions in are mm T 1 T 2 MATERIAL CRS 1 DIA X 2 5 8 25 4mm 66 68 mm...

Page 10: ...10 ASSEMBLY TOOL DRAWINGS Note Dimensions in are mm Material OHTS 5 5 8 x 1 1 4 DIA 130 17 x 31 75 Hardened Tip RC 58 62 T 3 T 4 T 5...

Page 11: ...10 unless replacements are needed See figure 11 Remove plugs 20 23 and pin 21 Remove the 8 32 nut from the bot tom of block 1 to remove filter assembly 14 Do not remove the check valves 2 Remove housi...

Page 12: ...using from the mounting flange remove the gasket and dowel pins from the mounting flange Do not remove the roll pins and the bearing from the housing unless the bearing is dam aged and must be replace...

Page 13: ...face finish must be 10 microinches 254 mm flat within 0002 0381 mm and parallel to the backside within 0005 0127 mm T I R The shoe retainer wear face finish must be 32 microinches 813 mm and flat wit...

Page 14: ...g 033 70817 2 2 4 square key 5 16 x 1 1 4 033 71348 1 See figure 2 Position the barrel 1 in a press with the large end turned down and insert tool figure T 1 in the splined shaft hole in the barrel Pl...

Page 15: ...socket plug SAE 4 488 35001 2 14 O ring 90 6290 4 691 00904 2 15R right side chamber cover CW rot 033 70572 1 right side chamber cover CCW rot 033 70612 15L left side chamber cover CW rot 033 70571 1...

Page 16: ...19 assembled over the control vane 23 The seal must be against the cam Rotate the chamber until it passes over the control vane assembly then rotate in the opposite direction until the 1 4 dowel pins...

Page 17: ...always free in the retainer plate Oil the assembly thoroughly Position the cradle and cam assembly with the piston and shoe assembly attached with T marked on the cradle turned up See figure 4 Insert...

Page 18: ...ring 033 91107 1 3 dowel pin 324 21608 4 4 roll pin 325 16280 2 5 O ring 90 6290 12 691 00912 1 6 hollow hex plug SAE 12 488 35014 1 7 retainer bearing 033 91106 1 8 O ring 90 S 1 ARP 908 691 00908 1...

Page 19: ...page Position the pump with the unplugged hole top drainport in the housing assembly at 12 o clock position Install gasket 5 on the housing assembly 6 Install the two special pins 3 in the face of the...

Page 20: ...lace O rings 7 and 8 on side plate assembly Lubricate the O rings and slip the pres sure plate 9 over the O rings on the side plate assembly Slip the two plates over the auxiliary shaft and position t...

Page 21: ...ust be 12 3 mm below the surface Place the two sequence seats 8 in the sequence ports SB SA Place the four valve seats 9 in the ports marked RB RA RV and servo Position the gasket 7 and retain er plat...

Page 22: ...1 8 sequence seat 033 70507 2 9 valve seat 033 70500 4 10 3 16 x 3 4 roll pin 325 12120 2 11 valve block 033 72377 1 12 047 orifice plug 033 25528 4 13 sequence poppet 033 72378 2 14 valve poppet 033...

Page 23: ...ifice plugs 3 into valve block 1 and tighten in place Disassemble the strainer assembly 14 and reassemble per the following steps a Install the orifice screw of the strainer assembly into valve block...

Page 24: ...refully insert cone and spring into valve block positioning point of cone into bore of seat Lubricate O ring 11 install in groove of piston 10 and insert end into spring 12 Lubricate O ring 9 and inst...

Page 25: ...25 ASSEMBLY PROCEDURES Figure 11 Seal Kit S23 00135 Valve Block After 7 93 S23 12770...

Page 26: ...8 x 5 8 324 20810 1 22 gasket O ring 691 00904 5 23 plug 488 35001 5 25 plug 488 35049 2 26 pin roll 3 16 x 3 4 325 12120 2 27 seat sequence 033 70507 2 28 replenish servo seat 033 70500 4 29 gasket v...

Page 27: ...d with clean oil and protected from nicks or surface damage Place valve block 25 with O ring groove down and horizontal in order to press two roll pins 26 in position Roll pins need to be 12 3 05 mm b...

Page 28: ...tarts to compress spring Thread acorn nut 45 on soc setscrew 6 Coat check valve 2 threads with loctite removable thread locker 242 and thread into end of valve cover 1 Be sure check valve is properly...

Page 29: ...e block 033 54390 1 26 roll pin 3 16 x 3 4 325 12120 2 27 seat sys relief 033 70507 2 28 servo seat 033 70500 3 29 gasket 033 91193 1 30 poppet 033 72378 2 31 poppet 033 72379 3 32 spring 033 22141 1...

Page 30: ...1 and tighten in place Disassemble the strainer assembly 14 and reassemble per the following steps a Install the orifice screw of the strainer assembly into valve block Thread elastic stop nut onto t...

Page 31: ...ng Using a small bladed screw driver thread the pilot replenishing relief valve assembly 36 into valve block and lightly tighten in place Do not over tighten Over tightening can cause sides of slot to...

Page 32: ...488 35049 2 26 pin roll 3 16 x 3 4 325 12120 2 27 seat sys relief 033 70507 2 28 servo seat 033 70500 3 29 gasket 033 91193 1 30 poppet 033 72378 2 31 poppet 033 72379 3 32 spring light weight 033 22...

Page 33: ...0048 1 20 hex hd screw 306 40025 2 21 optional gear pump C W see note 512 42023 1 gear pump C C W 512 42024 vane pump TB006 CW 024 51095 0 01 vane pump TB006 CCW 024 51096 0 01 22 rear adapter SAE A f...

Page 34: ...the tightest fit Warning When installing a new mechanical shaft seal exercise care to insure that all of the parts fit together properly This is particularly important if the seal was once assembled a...

Page 35: ...nly far enough to start the four screws and tighten evenly Torque to 10 ft lbs 13 56 Nm Note Seal installation must be completed quickly to avoid the rubber friction ring from seizing on the shaft Pla...

Page 36: ...57181 2 2 9 O ring 691 00125 2 2 10 O ring 691 00026 1 1 11 tetraseal 691 10221 2 2 12 plug 488 35024 2 2 13 screw HHC 1 2 13 x 3 1 2 306 40224 4 4 14 screw SHC 3 8 24 x 1 3 4 359 15220 3 3 15 O ring...

Page 37: ...t plug 2 19 into hole on spring end of cap If internally drained insert plug 2 20 and O ring 2 19 in cap drain port See figure 16 Lube spool 3 and insert it into valve body 1 When the spool is fully e...

Page 38: ...sure that the screw that comes with the valve cap sub assembly is positioned on end closest to acorn nut Torque to 50 ft lbs 68 Nm Run lead wire which comes with valve cap sub assembly through holes i...

Page 39: ...on plug When the external filter circuit IS used install the isolation plug between port G and H refer to appropriate installation drawing use a 3 16 Hex wrench by 4 minimum length INSERTING THE ISOLA...

Page 40: ...40 HYDRAULIC CIRCUIT Revised...

Page 41: ...41 HYDRAULIC CIRCUIT Revised...

Page 42: ...l m 6 8 l m 5 7 l m 4 Back out compensator adjusting screw until unit is fully compensated count number of turns Observe volume indicator and stroke rotary servo input shaft from full to full positio...

Page 43: ...PSI Servo pressure should return to 455 to 570 PSI 3 3 to 39 3 bar Note After completing step 13 proceed with pump control test and adjustment Refer to the goldcup control manual S1 AM030 for your co...

Page 44: ...g n n n n l l l l e e e e t t t t t t t t e e e e r r r r assigned by manufacturer P P P P r r r r i i i i m m m m a a a a r r r r y y y y c c c c o o o o n n n n t t t t r r r r o o o o l l l l s s...

Page 45: ...ith 15 degree cam 6 2 cu in rev 102 cc rev 20 P6 with 13 degree cam 4 0 cu in rev 66 cc rev 30 P7 with 13 degree cam 4 8 cu in rev 79 cc rev 30 P8 with 13 degree cam 5 3 cu in rev 88 cc rev 30 P11 wit...

Page 46: ...0 9C2 00 2H8 2M4 07 2N4 07 4B8 5C2 01 7J7 00 8A6 04 8C7 01 9C2 01 7J7 01 8C7 02 2M6 00 2N6 00 4C2 5C4 00 8A7 00 8C7 03 9C4 00 2M6 01 2N6 01 4C4 5C4 01 7J8 00 8A7 01 9C4 01 2M6 02 2N6 02 4C6 7J8 01 8A7...

Page 47: ...47 NOTES...

Page 48: ...3316 GR Dordrecht Holland Tel 31 78 6543 070 Fax 31 78 6175 755 Denmark Denison Hydraulics Denmark A S Industrikrogen 2 2635 Ish j Denmark Tel 45 4371 15 00 Fax 45 4371 15 16 Finland Denison Lokomec...

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