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28

Position valve block gasket (29) on valve block. Take care that none of the gasket is cov-
ering the valve seats.

a. Position retainer plate (42) with O-ring grooves facing up, over valve block gasket.
Install four button-head cap screws (43), torque to 30 in.-lbs. (3.39 Nm).

b.Turn the assembly over so that it is resting with the retainer plate O-ring side down-
ward.

Place spring (33) (1.43" long) (36.3 mm) into poppet (30) and insert small hole end first
into outer-most bores at each end of the valve block (25).

Insert three poppets (31) and one poppet (34) in remaining bores as shown, small diam-
eter end first.

Slip springs (33) into poppets (34) and (30) as shown.

Insert two springs (35) (1.09" long) (27.7 mm) into remaining outer poppets (31).

Install spring (32) 1.56" long (39.6 mm) into remaining poppet located in center of valve
block.

Install four orifice plugs (3) in valve block (25) and tighten in place.

Thread pilot replenishing relief valve (36) into block (25). Valve must not extend below
lower surface of retainer plate.

Place O-ring (4) onto seat (5) and install in valve block cover (1). (Be careful not to dam-
age bore in seat.) Torque (5) to 15 ft.-lbs. (20.4 Nm). (Do not use impact wrench).

Lubricate O-ring (11) and insert into groove of seal piston (10) and slip spring (12) onto
end of seal piston and press into bore of housing guide (8).

a. Lubricate O-ring (9) and install on housing guide (8).

b. Place shank of cone (13) into spring (12).

c. Align cone with seat in valve cover and thread housing guide into bore and tighten
in place.

Thread nut (7) on soc. setscrew (6) and thread into housing guide (8) until it starts 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 installed and does not block pas-
sages from orifice plug (3). Lubricate O-ring (22) and install on plug (23) and tighten.

Repeat above step at the opposite end of the valve cover (1).

Disassemble the strainer assembly (14) in valve block and reassemble per the following:

a. Install the orifice screw of strainer assembly (14) into valve cover. Thread elastic stop
nut onto the orifice screw and torque to 23 in.-lbs. (2.6 Nm).

b. Install the strainer support, filter screen and #6-32 x 1/4 lg. screw. Torque #6-32
screw to 13 in.-lbs. (1.47 Nm).

Place O-ring (37) and two (2) O-rings (47) into the grooves on the upper surface of the
valve block and secure with vaseline or grease.

Place valve cover (1) over valve block (25) positioning over springs (33), (32) and (35)
and secure in place with four (4) socket hd. cap screws (41).

Lubricate O-ring (22) and install on plug (23) and tighten in place.

Lubricate O-ring (19) and install over plug (20) and tighten plug in place.

Lubricate O-rings (47) and install in underside of manifold block (15). Carefully, place
manifold block (15) on top of the valve cover (1) making sure the O-rings are correctly
seated. Secure with four (4) soc. hd. cap screws (41) by threading into valve block (25).

Insert spring (16) and spool (38) into manifold (15) with the spring guide and spring
towards the left side of the manifold (15) when viewing from the top rear.

Install temporary plugs (49) and (50) in 1/2" tube and 1/4" tube ports, front and back and
side. Insert O-ring (19) and plug (20) in alternate drain port.

VALVE BLOCK  

for special mounting of servo valve 
before 7-93 (continued)

ASSEMBLY PROCEDURES

Содержание Goldcup Series

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

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

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 40: ...40 HYDRAULIC CIRCUIT Revised...

Страница 41: ...41 HYDRAULIC CIRCUIT Revised...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 47: ...47 NOTES...

Страница 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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