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Denison Hydraulics P07 C-mod Service Information Download Page 35

DISASSEMBLY

1.

See Figure 11.  

Remove 2 screws holding torque limiter body (16) to cap assembly (1).

2. Remove all parts from torque limiter body (16) except pin (30) and arm assembly (28).  It is not necessary to remove 

these parts unless broken or worn.  Examine parts for wear or damage.

3. Remove screw (3).  Examine head for excessive wear, and body for smooth sealing surface with O-ring.
4. Remove maximum stop handwheel assembly or maximum stop screw assembly.
5. Remove cap assembly (1).
6.

See Figure 10.  

Remove plug (15) and attached parts.  Remove  spring (11) and spool (18).

7. Remove adjusting plug (2) and attached parts.  Remove spring ( 7 ) and cone (8).
8. Do not remove sleeve in body (1).  Sleeve is pressed into cap and finished to size.  If sleeve or cap is worn, replace 

the cap-sleeve assembly (1).

9. Examine seat (10) for wear.  Do not remove unless damaged.

ASSEMBLY

See page 26 for tightening torque on plugs

1.

See Figure 10.  

Install Avseal plugs (9) and .047”, 1,19 mm. orifice (19) in body.

2. Press seat (10) into bore squarely against shoulder in bore.
3. Install spool (18) into bore as shown.  Install spring (11) over end of spool.  Install O-ring (6) on seal piston (16).  

Lubricate and install into plug (15).  Install plug (15) into cap.  Install screw (3), nut (4) and acorn nut (17).  Install plug
(12), (21) and (28).  Torque plugs.

4. Install O-ring (6) on seal piston (5).  Lubricate O-ring and Install cone (8), spring (7) and seal piston (5) into bore in 

cap (1), being careful that cone enters seat (10).  Install adjusting plug (2), screw (25), nut (4) and acorn nut (26).

5. Carefully  install O-ring  (27) in the cap.
6. Note proper location for control cap (pg. 24).  Install O-rings on interface between cap and pump control pad.  Install 

cap, guiding control piston into bore.  Torque mounting screws  to 75 lb.• ft., 102 N m.

7. Install maximum volume handwheel or screw assembly.  Set stop to clear control piston.
8.

See Figure 11.  

Apply thread locking compound on threads of screw (3), lubricate the shank, thread through the cap

into the control piston,  and torque to 5 lb.•ft., 6,8 Nm

9. Measure height from control cap to top of screw.  With control piston at full displacement, dimension must be

1.50 +/- .03 in.,  38,1 +/- 0,76 mm.

10. Press dowel (30) into body (16), through the link assembly (28), to 1/4”, 6,35 mm below surface.  Apply hydraulic

sealant to threads of screws (35) and install over dowel (30).

11. While sleeve (27) is engaged into dowel on link (28), slide spool (21) into bore of body (16), and through sleeve (27).

Spool (21) must move freely and easily at all positions of the link (28).

12. Assemble remaining parts per drawing.  While spring retainer  is engaging clevis pin (5) under dowel of link (28), slide

the other opening of spring retainer over the top of the screw (3).  Attach body assembly (16) to cap (1) and torque 
screws to 75 lb.•ft., 102 N m.

TORQUE LIMITER CONTROL

35

Ref. Figure 10

Torque limiter cap

system pressure

port C1

vent connection “V”

compensator
adjustment

differential
adjustment

www.comoso.com

Summary of Contents for P07 C-mod

Page 1: ...CS open circuit piston pumps Premier series P07 110 C mod service information Publ LT2 00038 2 replaces S1 AM0018 Revised 5 03 Internet http www denisonhydraulics com E mail denison denisonhydraulics com www comoso com ...

Page 2: ...tant fluids contact DENISON HYDRAULICS Inc or their authorized distributors to obtain the appropriate seal kit number The product information specifications and descriptions contained in this catalog have been compiled for the use and convenience of our customers from information furnished by the manufacturer and we cannot and do not accept any responsibility for the accuracy or correctness of any...

Page 3: ...PP PORT D CASE DRAIN SAE 16 1 BSPP PORT D1 CASE DRAIN SAE 16 1 BSPP PORT DG DRAIN GAGE AIR BLEED PORT SAE 4 3 8 BSPP PORT AG INLET GAGE SAE 4 1 4 BSPP PORT BG SYSTEM GAGE SAE 4 1 4 BSPP PORT BG1 ALTERNATE SYSTEM GAGE SAE 6 1 4 BSPP PORT E ELECTROHYDRAULIC STROKER SERVO SUPPLY SAE 4 1 4 BSPP PORT H HYDRAULIC STROKER SIGNAL SAE 4 1 4 BSPP PORT LS LOAD SENSING LINE SAE 4 1 4 BSPP PORT V COMPENSATOR T...

Page 4: ...RY CONTROLS V far side Compensator adjustment Maximum volume handwheel Maximum volume stop C1 Compensator adjustment far side Differential adjustment Maximum volume stop LS P110 LS P07 C1 C2 COMPENSATOR L1 L2 LOAD SENSING Maximum volume handwheel J1 K1 J2 K2 TORQUE LIMITER V1 W1 V2 W2 LOAD SENSING TORQUE LIMITER V1 W1 V2 W2 LOAD SENSING TORQUE LIMITER C1 C2 COMPENSATOR L1 L2 LOAD SENSING LS P110 L...

Page 5: ...10 Range adjustment CLOCKWISE ROTATION Range adjustment Range adjustment E P07 E P110 Maximum stroke adjustment C2 D D1 Secondary control B C2 far side Secondary control V1 far side BG DG V1 BG DG Range adjustment P07 H P110 P07 H P110 X R ROTARY SERVO H HYDRAULIC STROKER E ELECTROHYDRAULIC STROKER E ELECTROHYDRAULIC STROKER H HYDRAULIC STROKER PRIMARY CONTROLS www comoso com ...

Page 6: ...adjustment High pressure flow adjustment Maximum volume stop D1 BG B DG C2 far side 1J 1K TORQUE LIMITER OVERRIDE WITH MAXIMUM VOLUME STOP C1 far side V Differential adjustment Compensator adjustment far side 1P COMPENSATOR OVERRIDE WITH MAXIMUM VOLUME STOP Primary control Differential adjustment D V1 far side 10 CONTROL CAP WITH MAXIMUM VOLUME STOP Compensator adjustment V far side C1 D1 D B Diff...

Page 7: ...il cooler and activate it if included in circuit Check fluid temperature Reduce pressure settings of compensator and relief valve Make sure accurate pressure readings can be made at appropriate places If solenoids are in system check for actuation Start pump drive Observe for correct shaft rotation Make sure pump fills properly Bleed system of air Recheck fluid level Cycle unloaded machine at low ...

Page 8: ...ance filters too coarse introduction of dirty fluid to system reservoir openings improper reservoir breather improper line replacement Improper fluid fluid too thin or thick for operating temperature range breakdown of fluid with time temperature shearing effects incorrect additives in new fluid destruction of additive effectiveness with chemical aging improper repair incorrect parts procedures di...

Page 9: ...ect at low flows Incorrect torque setting Inner adjustment screw Too much torque variation Wrong torque limiter for range Replace inner outer springs with correct springs Low system pressure Compensator malfunction Dirt in spool orifice Damaged cone or seat Broken differential spring Improperly adjusted differential spring Failure to compensate Differential adjustment Differential set too high Slu...

Page 10: ...DISASSEMBLY INSTRUCTIONS 10 Figure 1 Exploded view of pump with pressure compensator control Figure 2 Volume indicator assembly item 52 thread locking com pound www comoso com ...

Page 11: ...nd press end of shaft opposite the bearing end 8 Remove the shaft seal 1c from the retainer 1e if necessary 9 Remove retaining ring 20 10 Press bearing off shaft if necessary Press against bearing inner race 11 If pump contains a volume indicator assembly 52 Refer to Figure 2 Remove indicator pointer 2 retaining ring 9 and pivot nut 1 from pump housing Remove pivot shaft and fork assembly 3 and 4 ...

Page 12: ...PUMP PARTS LISTS 12 Ref Figure 1 Exploded view of pump with pressure compensator control www comoso com ...

Page 13: ...110 DIN keyed no rear drive S22 15673 a shaft 032 92255 b bearing 230 82216 c seal 620 82080 d key 032 92246 e seal retainer 032 91835 keyed with rear drive S22 16030 a shaft 032 92529 b bearing 230 82216 c seal 620 82080 d key 032 92246 e seal retainer 032 91835 splined no rear drive S22 15602 a shaft 032 92212 b bearing 230 82216 c seal 620 82080 e seal retainer 032 91835 splined with rear drive...

Page 14: ...679 00030 1 6 Soc setscrew 10 32 x 3 16 312 09030 1 7 O ring 70 S 1 ARP 114 671 00114 1 8 O ring 90 S 1 ARP 914 691 00914 1 9 Retaining ring 356 65070 1 PARTS LIST FOR INDICATOR ASSEMBLY Ref Figure 1 Exploded view of pump with pressure compensator control Ref figure 2 Indicator Assembly 52 S22 16262 PUMP PARTS LISTS 14 www comoso com ...

Page 15: ...nk 032 91823 032 91823 1 44 control piston compensator torque limiter 032 91836 032 91836 1 control piston servo electric hydraulic stroker 032 91848 032 91848 45 bearing 032 91830 032 91830 1 46 retainer white 062 1 57 mm thick 032 91853 032 91853 1 retainer red 064 1 63 mm thick 033 91854 033 91854 retainer green 067 1 70 mm thick 033 91855 033 91855 retainer yellow 069 1 75 m thick 033 91856 03...

Page 16: ...50 10109 assembly S22 15372 S22 15809 S22 12867 S22 12868 S22 12869 S22 12920 S22 12870 note code M item 1 blanking plate part no 032 91468 item 3 blanking plate screws 363 16210 8 ISO REAR DRIVES code Z Y X T U L flange ISO 100 ISO 125 ISO 160 ISO 180 ISO 180 ISO 180 coupling ISO K25N ISO K32N ISO K40N ISO K40N ISO K50N DIN 40 18 item part qty 1 adapter 1 032 91383 032 91384 032 91385 032 92162 0...

Page 17: ... plate assembly is required The barrel and port plate are matched assemblies and should not be ordered separately The reference part numbers are CW Barrel and Port Plate Assembly S22 16145 CCW Barrel and Port Plate Assembly S22 16146 The control piston must be reversed to position it correctly to the control caps See step 9 pg 20 The control caps location are reversed see illustrations below C J K...

Page 18: ...ean and free from rust contamination lint or any other foreign matter Critical surfaces must be free of dings or scratches All O rings and seals must be clean and carefully examined for cuts or other damage before installation During assembly occasional reference will be made to the use of lubricating oil for proper assembly It is important that any oil used be compatible with the seals and fluid ...

Page 19: ...Ref Figure 1 Exploded view of pump with pressure compensator control PUMP REASSEMBLY INSTRUCTIONS 19 www comoso com ...

Page 20: ... thrust washer 45 over center post 15 Six different retainers 46 are available for setting the shoe holddown Each retainer is marked white dot 062 1 57 mm thick red dot 064 1 63 mm thick green dot 067 1 70 mm thick yellow dot 069 1 75 mm thick and blue dot 071 1 80 mm thick Install the thickest retainer with the dot side up that will fit in the groove on the center post and allow a clearance of 00...

Page 21: ...21 Ref Figure 1 Exploded view of pump with pressure compensator control PUMP REASSEMBLY INSTRUCTIONS www comoso com ...

Page 22: ...se 3 8 16 threads ISO shafts use M10 threads DIN shafts use M12 threads The shaft spline must first engage the splined barrel stop 19 thru the Belleville washers 18 and engage the barrel spline The assembly will then rest on the cam 30 Install socket head cap screws 9 as shown Torque evenly to 57 ft lb 77 Nm Install case drain plug 49 and shipping plug 51 If pump does not contain displacement indi...

Page 23: ...23 Ref Figure 1 Exploded view of pump with pressure compensator control PUMP REASSEMBLY INSTRUCTIONS www comoso com ...

Page 24: ...d previously for the cor rect pump rotation Install eight hex head cap screws 35 into caps and torque to housing with 75 lbs ft 102 Nm 24 C J K L V W CONTROLS LOCATION E H R CONTROLS LOCATION C J K L V W CONTROLS LOCATION E H R CONTROLS LOCATION If the pump has a rear drive feature assemble coupling and adapter See illustration figure 3 Ref Figure 3 ref Figure 5 PUMP REASSEMBLY INSTRUCTIONS ref Fi...

Page 25: ...sure There is essentially no flow in the sensing line and the pump supplies the flow required to develop 350 psi to 435 psi 24 1 to 30 bar across the metering valve to the load TORQUE LIMITER The input torque is limited to a set value with the torque limiter control To limit input torque pump displacement is reduced when pressure increases and vice versa This is accomplished by controlling the com...

Page 26: ...R By mounting an electrically modulated pressure control valve on the hydraulic stroker to establish the control pressure pump displacement is controlled by an electrical signal For a 24 volt coil the pump commences to stroke at approxi mately 175 mA electrical signal and will be at full displacement at approximately 275 mA PRESSURE COMPENSATOR AND TORQUE LIMITER OVERRIDE An override pressure comp...

Page 27: ...22 15626 S22 15633 1 3 Buck Up Cap Fig 9 S22 15447 S22 15447 1 1 4 Screw H H C M12 x 55 mm 363 12205 363 12205 8 6 5 Screw H H C M12 x 75 mm 363 12220 363 12220 2 6 Control Piston 032 91836 032 91836 1 1 7 O Ring 90 S 1 ARP 013 691 00013 691 00013 2 2 8 O Ring 70 S 1 ARP 151 671 00151 671 00151 2 2 9 Piston Ring 032 91816 032 91816 2 2 Include items 1 4 5 7 and 8 C10 C50 C20 C80 1 2 4 3 4 3 1 4 2 ...

Page 28: ... page 26 for tightening torque on plugs 1 Install Avseal plugs 9 and 047 1 19 mm orifice 19 in body 2 Press seat 10 into bore squarely against shoulder in bore 3 Install spool 18 into bore as shown Install spring 11 over end of spool Install O ring 6 on seal piston 16 Lubricate and install into plug 15 Install plug 15 into cap Install screw 3 nut 4 and plastic cap 17 4 Install O ring 6 on seal pis...

Page 29: ...692 1 036 11692 1 11 Spring 033 71086 1 033 71086 1 12 Plug 488 35055 1 447 01008 1 13 O Ring 90 S 1 ARP 910 691 00910 2 691 00910 1 14 O Ring 90 S 1 ARP 017 691 00017 1 691 00017 1 15 Plug 031 57368 1 031 57368 1 16 Seal Piston 032 91305 1 032 91305 1 17 Cap 449 00612 1 449 00612 1 18 Spool 032 59482 1 032 59482 1 19 Orifice Plug 047 1 19 mm 033 25528 1 033 25528 1 21 Plug 488 35018 1 447 00032 1...

Page 30: ...rew into bracket 1 Install remaining parts 4 Turn handwheel clockwise into cap till the screw contacts the control piston 5 Install and torque the assembly screws to 75 ft lb 102 Nm Figure 7 maximum volume stop PARTS LIST FOR FIGURE 7 maximum volume stop S22 15467 ITEM DESCRIPTION PART NO QTY 1 Plug 8HP5N S 488 35018 1 2 O Ring 90 S 1 ARP 908 691 00908 1 3 Nut M16 Hex 032 91822 1 4 Screw Soc Set 3...

Page 31: ... ring 5 and plug 6 into cap 2 Install O rings on interface between cap and pump control pad Install spring 2 into control piston Install cap assembly on pump housing as indicated on page 17 Fig 5 guiding the control piston into the bore 3 Torque the assembly bolts to 75 ft lb 102 Nm Torque plug 7 to 225 lb ft 305 Nm FIGURE 9 Buck up cap assembly ITEM DESCRIPTION PART NO QTY 1 Piston 032 92202 1 2 ...

Page 32: ...orque Limiter K20 Fig 11 S22 15635 S22 15636 1 3 Buck Up Cap Fig 9 S22 15447 S22 15447 1 1 1 1 4 Screw H H C M12 x 55 mm 363 12205 363 12205 6 6 4 4 5 Screw H H C M12 x 80 mm 363 12220 363 12220 2 2 4 4 6 Control Piston 032 91836 032 91836 1 1 1 1 7 O Ring 90 S 1 ARP 013 691 00013 691 00013 2 2 2 2 8 O Ring 70 S 1 ARP 151 671 00151 671 00151 2 2 2 2 9 Piston ring 032 91816 032 91816 2 2 2 2 Includ...

Page 33: ... 910 691 00910 2 691 00910 1 14 O Ring 90 S 1 ARP 017 691 00017 1 691 00017 1 15 Plug 031 57368 1 031 57368 1 16 Seal Piston 032 91305 1 032 91305 1 17 Cap 449 00612 1 449 00612 1 18 Spool 032 59482 1 032 59482 1 19 Orifice 047 1 19 mm 033 25528 1 033 25528 1 21 Plug 488 35018 1 447 00032 1 22 O ring 70 S 1 ARP 908 691 00908 1 25 Setscrew 5 16 24 x 1 1 4 312 13180 1 312 13180 1 26 Nut Acorn 5 16 2...

Page 34: ...9 032 91449 1 1 11 Plug 8HP N S 488 35018 488 35018 1 1 14 O Ring 90 S 1 ARP 908 691 00908 691 00908 1 1 15 Screw Primary Adjusting 032 91446 032 91446 1 1 16 Body assembly S22 15396 S22 15396 1 1 17 Outer Spring J Version 032 91440 032 91440 1 Outer Spring K Version 032 91440 032 91440 1 18 Inner Spring J Version 032 92240 032 92240 1 Inner Spring K Version 032 91441 032 91441 1 19 Spring Retaine...

Page 35: ...8 spring 7 and seal piston 5 into bore in cap 1 being careful that cone enters seat 10 Install adjusting plug 2 screw 25 nut 4 and acorn nut 26 5 Carefully install O ring 27 in the cap 6 Note proper location for control cap pg 24 Install O rings on interface between cap and pump control pad Install cap guiding control piston into bore Torque mounting screws to 75 lb ft 102 Nm 7 Install maximum vol...

Page 36: ...5447 S22 15447 1 1 4 Screw H H C M12 x 55 mm 363 12205 363 12205 6 4 5 Screw H H C M12 x 80 mm 363 12225 363 12225 2 6 Screw H H C M12 x 90 mm 363 12240 363 12240 2 2 7 Control Piston 032 91836 032 91836 1 1 8 O Ring 90 S 1 ARP 013 691 00013 691 00013 2 2 9 O Ring 70 S 1 ARP 151 671 00151 671 00151 2 2 10 Piston Ring 032 91816 032 91816 2 2 Include items 1 Maximum Volume Stop 4 6 8 and 9 CCW ROTAT...

Page 37: ... Piston 032 91305 1 032 91305 1 17 Cap 449 00612 1 449 00612 1 18 Spool 032 59482 1 032 59482 1 19 Orifice 047 1 19 mm 033 25528 1 033 25528 1 21 Plug SAE 10 1 2 BSPP 488 35018 1 447 00032 1 22 O Ring 90 S 1 ARP 908 691 00908 1 25 Setscrew 5 16 24 x 1 1 4 312 13180 1 312 13180 1 26 O Ring 70 S 1 ARP 011 671 00011 2 671 00011 2 28 Body Valve 032 91620 1 032 91620 1 29 Isolation Valve Cartridge 517 ...

Page 38: ... and install into plug 15 Install plug 15 into cap Install screw 3 nut 4 and cover 17 4 Install O ring 6 on seal piston 5 5 Lubricate O ring and install cone 8 spring 7 and seal piston into bore in cap 1 being careful that cone enters seat 10 Install remaining parts in body 1 6 Install O rings 29 a and 29 b on valve 29 See Figure 13 page 40 Observe that backup ring on inside groove is toward the o...

Page 39: ...S22 16198 1 3 Buck Up Cap Fig 9 S22 15447 S22 15447 1 1 1 1 4 Screw H H C M12 x 55 mm 363 12205 363 12205 6 6 4 4 5 Screw H H C M12 x 80 mm 363 12225 363 12225 2 2 4 4 6 Control Piston 032 91836 032 91836 1 1 1 1 7 O Ring 90 S 1 ARP 013 691 00013 691 00013 2 2 2 2 8 O Ring 70 S 1 ARP 151 671 00151 671 00151 2 2 2 2 9 Piston ring 032 91816 032 91816 2 2 2 2 CCW ROTATION CW ROTATION V W10 50 V W20 8...

Page 40: ... S 1 ARP 912 691 00912 691 00912 1 1 27 Sleeve 032 91437 032 91437 1 1 28 Arm assembly S22 15520 S22 15520 1 1 29 O Ring 70 S 1 ARP 035 671 00035 671 00035 1 1 30 Dowel Pin 1 8 Dia x 1 50 Lg 324 20824 324 20824 1 1 35 Screw SHC 10 32 x 1 4 312 09041 312 09041 2 2 36 Nut 032 91645 032 91645 1 1 37 Body load sense 032 92359 032 92359 1 1 38 Valve modulating 517 00063 5517 00063 5 1 1 38a O ring 90 S...

Page 41: ...te proper location for cap on pump pg 24 Install O rings on interface between cap and pump control pad 7 Install on pump control pad guiding the control piston into the bore Install maximum volume stop or handwheel parts 8 See Figure 13 Install block 37 on cap 1 with O rings 4 and 48 Use special screw 39 through the block 7 Install O rings 38a and 38b on valve 38 Observe that backup ring on inside...

Page 42: ...0 Seat 036 11692 1 036 11692 1 11 Spring 033 71086 1 033 71086 1 12 Plug 488 35055 1 447 01008 1 13 O Ring 90 S 1 ARP 910 691 00910 2 691 00910 1 14 O Ring 90 S 1 ARP 017 691 00017 1 691 00017 1 15 Plug 031 57368 1 031 57368 1 16 Seal Piston 032 91305 1 032 91305 1 17 Cap 449 00612 1 449 00612 1 18 Spool 032 59482 1 032 59482 1 19 Orifice 047 1 19 mm 033 25528 1 033 25528 1 21 Plug 488 35018 1 447...

Page 43: ...1 1 1 Tube Assembly CCW rotation Fig 25 S22 16036 S22 16038 4 Screw H H C M12 x 55 mm 363 12205 363 12205 6 4 4 6 5 Screw H H C M12 x 80 mm 363 12225 363 12225 2 4 4 2 6 Control Piston 032 91848 032 91848 1 1 1 1 7 O Ring 90 S 1 ARP 013 691 00013 691 00013 2 2 2 2 8 O Ring 70 S 1 ARP 151 671 00151 671 00151 2 2 2 2 9 Piston Ring 032 91816 032 91816 1 1 1 1 10 Piston Ring 032 91811 032 91811 1 1 1 ...

Page 44: ...91049 1 21 Spool 032 91438 1 032 91438 1 23 O Ring 70 S 1 ARP 118 671 00115 1 671 00115 1 24 Setscrew M16 2P x80mm 311 50001 1 311 50001 1 25 Plug 12 HP5N S 488 35014 1 488 35014 1 26 O Ring 90 S 1 ARP 912 691 00912 1 691 00912 1 27 Sleeve 032 91437 1 032 91437 1 28 Arm assembly S22 15520 1 S22 15520 1 29 O Ring 70 S 1 ARP 035 671 00035 1 671 00035 1 30 Dowel Pin 1 8 Dia x 1 50 Lg 324 20824 1 324 ...

Page 45: ... pump control pad guiding the control piston into the bore 7 Torque two assembly bolts to 75 lb ft 102 N m 8 See Figure 15 Apply thread sealing compound on threads of screw 3 lubricate the shank thread through the cap into the control piston and torque to 5 lb ft 6 78 N m 9 Install minimum stop screw 24 and turn clockwise to by two springs one which is always in contact with the pin and the other ...

Page 46: ...11 Spring 032 92098 1 032 92098 1 12 Plug SAE 10 1 2 BSPP 488 35018 1 447 01008 1 13 Screw 5 16 24 x 2 312 35062 1 312 35062 1 14 Nut 5 16 24 335 13100 1 335 13100 1 15 O Ring 90 S 1 ARP 017 691 00017 1 691 00017 1 16 O Ring 90 S 1 ARP 906 691 00906 1 17 Plug SAE 6 3 8 BSPP 488 35041 1 447 00032 1 18 Cap 449 00612 1 449 00612 1 19 Orifice 047 1 19 mm 033 25528 1 033 25528 1 20 Orifice 078 1 98 mm ...

Page 47: ...037 1 1 1 1 Tube Assembly CCW rotation Fig 25 S22 16036 S22 16038 4 Screw H H C M12 x 55 mm 363 12205 363 12205 6 4 4 6 5 Screw H H C M12 x 80 mm 363 12225 363 12225 2 4 4 2 6 Control Piston 032 91848 032 91848 1 1 1 1 7 O Ring 90 S 1 ARP 013 691 00013 691 00013 2 2 2 2 8 O Ring 70 S 1 ARP 151 671 00151 671 00151 2 2 2 2 9 Piston Ring 032 91816 032 91816 1 1 1 1 10 Piston Ring 032 91811 032 91811 ...

Page 48: ... 91438 1 032 91438 1 23 O Ring 70 S 1 ARP 118 671 00118 1 671 00118 1 24 Socket Setscrew 3 4 10 x 3 311 26320 1 311 26320 1 25 Plug SAE 12 488 35014 1 488 35014 1 26 O Ring 90 S 1 ARP 912 691 00912 1 691 00912 1 27 Sleeve 032 91437 1 032 91437 1 28 Arm assembly S22 15520 1 S22 15520 1 29 O Ring 70 S 1 ARP 035 671 00035 1 671 00035 1 30 Dowel Pin 1 8 Dia x 1 50 Lg 324 20824 1 324 20824 1 33 Retaini...

Page 49: ...ump pg 24 Install O rings on interface between cap and pump control pad Install cap on pump control pad guiding the control piston into the bore 7 Torque two assembly bolts to 75 lb ft 102 Nm 8 See figure 17 Apply thread locking compound on threads of screw 3 lubricate the shank thread through the cap into the control piston and torque to 5 lb ft 6 78 Nm 9 Install minimum stop screw 24 and turn cl...

Page 50: ... 16205 S22 16206 1 3 Tube Assembly CW rotation Fig 24 S22 16035 S22 16037 1 1 1 1 Tube Assembly CCW rotation Fig 25 S22 16036 S22 16038 4 Screw H H C M12 x 55 mm 363 12205 363 12205 6 4 4 6 5 Screw H H C M12 x 80 mm 363 12225 363 12225 2 4 4 2 6 Control Piston 032 91848 032 91848 1 1 1 1 7 O Ring 90 S 1 ARP 013 691 00013 691 00013 2 2 2 2 8 O Ring 70 S 1 ARP 151 671 00151 671 00151 2 2 2 2 9 Pisto...

Page 51: ...1 311 50001 1 25 Plug SAE 12 488 35014 1 488 35014 1 26 O Ring 90 S 1 ARP 912 691 00912 1 691 00912 1 27 Sleeve 032 91437 1 032 91437 1 28 Arm assembly S22 15520 1 S22 15520 1 29 O Ring 70 S 1 ARP 035 671 00035 1 671 00035 1 30 Dowel Pin 1 8 Dia x 1 50 Lg 324 20824 1 324 20824 1 33 Retaining Ring 356 30037 1 356 30037 1 34 Washer 032 91517 1 032 91517 1 35 O Ring 70 S 1 ARP 011 671 00011 2 671 000...

Page 52: ...nd pump control pad Install cap on pump control pad guiding the control piston into the bore 7 Torque two assembly bolts to 75 lb ft 102 N m 8 See Figure 18 Apply thread locking compound on threads of screw 3 lubricate the shank thread through the cap into the control piston and torque to 5 lb ft 6 78 N m 9 Install minimum stop screw 24 and turn clockwise to stroke pump to full volume Measure heig...

Page 53: ...ROHYDRAULIC STROKER CONTROL 53 Ref Figure 18 ELECTROHYDRAULIC STROKER PORT X SERVO INLET PORT E P07 PROPORTIONAL VALVE GAGE PORT H ADJUST FOR ZERO FLOW AT 175 MA ELECTRICAL COMMAND PORT E P110 www comoso com ...

Page 54: ...PQ HIGH RESPONSE CONTROL 54 PQ CONTROL IN PROCESS OF DEVELOPMENT www comoso com ...

Page 55: ...PQ HIGH RESPONSE CONTROL 55 PQ CONTROL IN PROCESS OF DEVELOPMENT www comoso com ...

Page 56: ...PQ HIGH RESPONSE CONTROL 56 PQ CONTROL IN PROCESS OF DEVELOPMENT www comoso com ...

Page 57: ...PQ HIGH RESPONSE CONTROL 57 PQ CONTROL IN PROCESS OF DEVELOPMENT www comoso com ...

Page 58: ...ng 3 on nut 5 Install nut 5 on screw 4 Adjust screw till pump is slightly on stroke and lock nut 5 5 Install O ring 7 on plug 6 Install plug in nut 5 Torque plug 6 PARTS LIST FOR FIGURE 26 P07 control cap assembly S22 15325 P110 control cap assembly S22 15613 1 2 3 4 5 1 2 3 4 5 ITEM DESCRIPTION PO7 PART NO P110 PART NO QTY 1 Servo tube w nut sleeve S22 16032 S22 16077 1 2 O ring 90 S 1 691 00906 ...

Page 59: ...l piston 032 92480 1 032 92480 1 17 Cap 449 00612 1 449 00612 1 18 Spool 032 92549 1 032 92549 1 19 Plug 1 16 NPTF 431 90104 1 431 90104 1 20 Nut M16 032 91822 1 032 91822 1 21 Plug 488 35018 1 488 35018 1 22 O ring 90 S 1 ARP 908 691 00908 2 691 00908 1 23 O ring 70 S 1 ARP 115 671 00115 1 671 00115 1 24 Socket Setscrew M16 311 50001 1 311 50001 1 25 Socket Setscrew 5 16 24 312 13180 1 312 13180 ...

Page 60: ...t 10 into bore to shoulder in bore 3 Install spool 18 into bore as shown Install spring 11 over end of spool Install O ring 6 on seal piston 16 Lubricate and install into plug 15 Install O rings 13 and 14 on plug 15 Install plug 15 into cap Install screw 3 nut 4 and cover 17 4 Install O ring 6 on seal piston 5 5 Lubricate O ring and install cone 8 spring 7 and seal piston into bore in cap 1 being ...

Page 61: ...00910 1 14 O Ring 90 S 1 ARP 017 691 00017 1 691 00017 1 15 Plug 031 57368 1 031 57368 1 16 Seal Piston 032 92480 1 032 92480 1 17 Cap 449 00612 1 449 00612 1 18 Spool 032 92549 1 032 92549 1 19 Plug 431 90104 1 431 90104 1 21 Plug SAE 8 3 8 BSPP 488 35018 1 447 00032 1 22 O ring 90 S 1 ARP 908 691 00908 1 23 Socket Setscrew 312 13180 1 312 13180 1 25 Acorn Nut 036 33474 1 036 33474 1 26 Plug 449 ...

Page 62: ...sion 032 91440 032 91440 1 18 Inner Spring J Version 032 92240 032 92240 1 Inner Spring K Version 032 91441 032 91441 1 19 Spring Retainer 032 91819 032 91819 1 1 20 Nut M16 hex 032 91822 032 91822 1 1 21 Spool 032 91438 032 91438 1 1 23 O ring 70 S 1 ARP 118 671 00118 671 00118 2 2 24 Socket Setscrew M16 311 50001 311 50001 1 1 25 Plug SAE 12 488 35014 488 35014 1 1 26 O Ring 90 S 1 ARP 912 691 0...

Page 63: ...to bore in cap 1 being careful that cone enters seat 10 Install adjustment plug 2 screw 25 nut 4 and acorn nut 26 6 Install plugs 12 21 and 28 and torque 7 Carefully install O ring 31 into the cap 8 Note proper location for cap pg 24 Install O rings on interface between cap and pump control pad Install cap assembly on pump guiding the control piston into the bore Torque two mounting screws to 75 l...

Page 64: ...ere is no contact with control piston ROTARY SERVO TEST The rotary servo mounts on the minimum displacement side of the pump It utilizes a rotating shaft containing a cam to position a pin and a sleeve positioned by a feedback link to the control cylinder The sleeve pin combination meters pilot flow to position a 4 way valve This valve is ported to both ends of the control cylinder The 4 way spool...

Page 65: ...y servo shaft rotated fully clockwise adjust maximum volume adjustment on servo until out put flow is at the full displacement position Lock in place Fully rotate servo shaft counter clockwise Pump flow should go towards zero displacement Back out minimum vol ume stop until pump is at zero displacement Lock in place Rotate shaft clockwise and counterclockwise at various outlet pressures Pump displ...

Page 66: ...or or torque limiter control the test stand must include a gage on the line from LS capable of measuring pressure difference to 10 psi 0 69 bar and the other components shown in the load sensing test circuit Open speed control valve fully and close load valve to first test the compensator function Turn compensator adjustment screw CCW until there is no contact with spring then adjust 1 2 turn CW a...

Page 67: ...low Open load valve slowly to drop outlet pressure toward minimum Flow shall remain constant within 2 gpm 7 6 lpm at all pressures Adjust the speed control valve till flow is at a low value Note flow Raise and lower outlet pressure by closing and opening the load valve Flow shall remain constant within 2 gpm 7 6 lpm Proceed to FINAL PUMP TEST pg 75 67 TEST PROCEDURE Raise compensator from minimum ...

Page 68: ...ferential pressure by adjusting the differential screw until the difference in pressure readings between port XG and V1 is 250 psi 17 2 bar Install cover over differential adjustment Set signal pressure to 50 psi 3 45 bar Back out zero volume stop and set zero flow adjustment until pump is at zero displacement Lock both adjustments in place Slowly increase and decrease signal pressure between 0 an...

Page 69: ...l cover over differential adjustment Adjust current to 170 mA Back out zero volume stop and set zero flow adjustment until pump is at zero displace ment Lock both adjustments in place If pump fails to respond measure pressure at port H pressure to be 50 psi 3 45 bar minimum for 170 mA current with 24 V coil Remove gage after checking to avoid unstable operation Increase current to 300 mA Pump shou...

Page 70: ... relief valve to limit outlet pressure Outlet relief valve should be set at 500 psi 34 5 bar To test and set compensator function disable torque limiter in this manner Back out high pressure flow adjustment screw inner to remove all load Turn in high flow pressure adjustment screw outer to go solid Caution do not apply over 10 in lb 1 2 Nm torque to avoid damage to internal parts Start prime mover...

Page 71: ...psi Q flow in GPM Eff overall efficiency or kW P Q Eff 600 or P kW Eff 600 Q or Q kW Eff 600 P where P pressure in Bar Q flow in lpm Eff overall efficiency calculate these two values a Outlet pressure at full pump flow b Pump flow at full outlet pressure 1 Set outlet to pressure a calculated above Back out high pressure flow adjusting screw inner screw to remove all load Set the high flow pressure...

Page 72: ...pressure Adjust compensator differential spool pressure to 250 psi 17 2 bar This is accomplished by adjusting the differential screw until the difference in pressure readings between the outlet pressure and compensator vent V gages installed in the compensator cap is 250 psi 17 2 bar Install cover over differential adjustment Close the speed control valve Check the pressure difference from outlet ...

Page 73: ...pm Eff overall efficiency calculate these two values a Outlet pressure at full pump flow b Pump flow at full outlet pressure 1 Set outlet to pressure a calculated above Back out high pressure flow adjusting screw inner screw to remove all load Set the high flow pressure adjusting screw outer so that pump just commences to de stroke 2 Set the system to the required maximum outlet pressure Set high ...

Page 74: ...74 TEST PROCEDURE PQ CONTROL IN PROCESS OF DEVELOPMENT www comoso com ...

Page 75: ...ensator setting from minimum to maximum outlet pressure Caution Load sensing control is limited to 5000 psi 345 bar maximum pressure At each condition increase the outlet pressure until the pump fully de strokes At no time should the outlet pressure vary over 150 psi 10 3 bar from full to zero flow The control should be steady and stable at all conditions Reduce outlet pressure to 150 psi 10 3 bar...

Page 76: ...D 2 50 63 5 D undercut 5 00 127 3 75 95 25 D Dia B Dia A Length C Length D Shaft A B C D in mm in mm in mm in mm P07 keyed 1 878 1 880 47 70 47 75 1 755 1 760 44 58 44 70 3 00 76 2 4 50 114 3 P07 splined 1 878 1 880 47 70 47 75 1 725 1 730 43 82 43 94 3 00 76 2 4 50 114 3 P110 all 1 878 1 880 47 70 47 75 1 580 1 582 40 13 40 18 3 25 82 5 4 75 120 6 T 3 installation tool shaft seal over shaft T 2 i...

Page 77: ... to full displacement torque to turn rotary servo shaft maximum minimum case pressure continuous maximum minimum case pressure intermittent input mounting 4 bolt flange input shaft keyed input shaft splined input shaft keyed ISO 3019 2 input shaft splined ISO 3019 2 input shaft keyed DIN input shaft splined DIN weight Term in3 rev cm3 rev psi bar psi bar rpm rpm lbs in2 kg m2 sec sec psi turn bar ...

Page 78: ... the pump before returning to the reservoir if not install a 5 psi 0 3 bar case pressure check valve to be certain the case is filled with oil at all times The case drain line must be of sufficient size to prevent back pressure in excess of 25 psi 1 7 bar and returned to the reservoir below the surface of the oil as far from the supply suction as possible All fluid lines whether pipe tubing or hos...

Page 79: ...te A SAE 82 2 A flange SAE 16 4 A shaft G SAE 82 2 A flange SAE 22 4 B shaft B SAE 101 2 4 B flange SAE 22 4 B shaft Q SAE 101 2 4 B flange SAE 25 4 BB shaft C SAE 127 2 4 C flange SAE 32 4 C shaft N SAE 127 2 4 C flange SAE 38 4 CC shaft D SAE 152 4 D flange SAE 44 4 D E shaft Z ISO 3019 2 100 B4HW flange K25N shaft Y ISO 3019 2 125 B4HW flange K32N shaft X ISO 3019 2 160 B4HW flange K40N shaft T...

Page 80: ...WF20XE West Yorkshire England Tel 44 19 24 826 021 Fax 44 19 24 826 146 Other sales offices Burgess Hill Hong Kong DENISON HYDRAULICS Ltd Unit 2 25 F Wharf Cable Tower 9 Hoi Shing Road Tsuen Wan N T Hong Kong Tel 852 24988381 Fax 852 24991522 Italy DENISON HYDRAULICS S r l Viale Europa 68 20090 Cusago Milano Italy Tel 39 2 90330 1 Fax 39 2 90390 695 Japan DENISON JAPAN Inc 4 2 1 Tsujido Shinmachi ...

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