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Denison Hydraulics Goldcup Series Service Information

Axial piston motors fixed displacement
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Axial Piston Motors
Fixed Displacement
Goldcup
Service Information
INTRODUCTION
GENERAL
DESCRIPTION
TABLE I CHARACTERISTICS
SHAFT INFORMATION
PIPING
SERVICE INFORMATION
RECOMMENDED FLUIDS
VISCOSITY
VISCOSITY INDEX
TEMPERATURE
ALTERNATE FLUIDS
MAINTENANCE
TABLE II SOLID CONTAMINATION
TABLE III TROUBLE-SHOOTING
TABLE IV REWORK LIMITS
S2-AM121
12-94
replaces SFM-M24
CONTENTS
PAGE
2
2
FIGURE 1
2
FIGURE 2
2
FIGURE 3
3-4
3
FIGURE 3.1 BARREL AND AUXILIARY
3
3
FIGURE 4
3
3
FIGURE 5
3
FIGURE 6
3
FIGURE 7
3
FIGURE 8
4
4
4
4
4
SEAL KIT
5-6
COMPLETE
7-8
SHAFT SEAL KITS
8
8
www.comoso.com
M24 Design D
M30 Design A
BARREL, CAM, PISTON @ SHOE
SHAFT SEAL AND COVER ASSEMBLY 16
Series
PAGE
9-20
9
12
13
14
18
20
21
21
21
22
S23-15128
S23-11516

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Summary of Contents for Denison Hydraulics Goldcup Series

  • Page 1: Table Of Contents

    Axial Piston Motors Series Fixed Displacement M24 Design D Goldcup M30 Design A Service Information CONTENTS PAGE PAGE 9-20 INTRODUCTION ASSEMBLY PROCEDURES GENERAL FIGURE 1 DRIVE SHAFT ASSEMBLY DESCRIPTION FIGURE 2 BARREL, CAM, PISTON @ SHOE ASSEMBLY TO MOUNTING FLANGE 11 TABLE I CHARACTERISTICS FIGURE 3 BARREL AND AUXILIARY...
  • Page 2 Description This manual contains installation, operation, maintenance The Goldcup motor is a fixed displacement, axial piston and overhaul instructions for Denison Hydraulics Goldcup design which uses hydrostatically balanced piston shoes. 24 and Goldcup 30 constant volume motors. The Denison This feature serves to lubricate as well as absorb much...

  • Page 3: Installation

    The fluid recommended for use in these pumps and motors shaft. has a petroleum base and contains agents which provide oxidation inhibition and anti-rust, anti-foam and de-aerat - ing properties as described in Denison Hydraulics standard Piping HF-1. Where anti-wear additive fluids are specified, see Denison Hydraulics standard HF-0.

  • Page 4: Fluid Cleanliness

    7. Reduce pressure settings of pressure control. Make sure accurate pressure readings can be made at appro - See Denison Hydraulics bulletin SPO-AM305 for more infor - priate places. mation. 8. If solenoids in system, check for actuation.
  • Page 5 Table III Trouble-shooting Chart Series 24, 30 Trouble-Shooting This general guide is offered to help in locating and elimi- Component problems and circuit problems are often inter - nating the cause of problems by studying their effects: related. An improper circuit may operate with apparent suc - cess but will cause failure of a particular component with- in it.
  • Page 6 Table III Continued Series 24, 30 Effect of Trouble Possible Cause Fault Which Needs Remedy High Wear in motor Unwanted water in fluid Condensation Faulty breather/strainer Heat exchanger leakage Faulty clean-up, practice Water in makeup fluid Pressure shocks Cogging load Mechanical considerations Worn relief valve Needed repairs...

  • Page 7: Unit Disassembly

    Unit Disassembly Series 24, 30 8. Barrel assembly can be removed by lifting with aux. Disassembly shaft. The pistons will remain with the cam assembly. These parts are precision finished and must be handled The instructions contained in this section cover a complete with extreme care! teardown of the subject motor.

  • Page 8: Disassembly & Assembly Tool Drawing

    Unit Disassembly Continued Series 24, 30 TABLE IV Rework Limits of Wear Parts Max. Rework From Original Min. Dimension 24 and 30 in Dimension After Rework Port plate face .010" (.254 mm) .735" (18.67 mm) Shoe retainer face .005" (.127 mm) .494"...

  • Page 9: Assembly Procedures

    Assembly Procedures Series 24, 30 DO NOT USE EXCESSIVE FORCE. USE EXTREME Drive Shaft Assembly CARE PASSING THE RING OVER THE SEAL SURFACE. Figure 1 2. Install the retaining ring (3) in the groove. Be sure that 1. Slide the bearing (2) over the short end of the shaft and the ring is fully seated.

  • Page 10: Assembly To Mounting Flange

    Assembly Procedures Continued Series 24, 30 3. Install the spring (d) against the retainer. Barrel, Cam to Mounting Flange Figure 2 4. Apply oil to the inner surface of the rubber friction ring (f) and install the shell containing the friction and the car - 3.
  • Page 11 Assembly Procedures Continued Series 24, 30 Piston/Shoe Assembly to Cam Figure 2 6. Position the barrel assembly (1) directly over the pis- tons. Starting with the uppermost piston, guide them one 1. Return the mounting flange to an upright position. at a time into the barrel bores.

  • Page 12: Barrel And Auxiliary Shaft Assembly (24 Series)

    Assembly Procedures Continued Series 24, 30 4. Thread holddown adjustment screw (6) into counterbore Barrel and Auxiliary Shaft Assembly approx. four threads. Figure 3 (24 Series) 5. Tilt barrel vertically and engage main shaft spline with 1. Install auxiliary shaft (2) large spline end first into coun- the barrel spline allowing barrel to drop in place.

  • Page 13: Shaft Assembly (30 Series)

    Assembly Procedures Continued Series 24, 30 4. Thread holddown screw assembly (5) into barrel’s coun - Barrel and Auxiliary Shaft Assembly terbore approx. four threads. Figure 3.1 (30 Series) 5. Tilt barrel vertically and engage main shaft spline with 1. Install auxiliary shaft (2) spline end first into counterbore the barrel spline allowing barrel to drop in place.

  • Page 14: Housing Assembly

    Assembly Procedures Continued Series 24, 30 PARTS LIST FOR FIGURE 4 S23-12566 (P24) P23-12175 (P30) Housing Assembly ITEM DESCRIPTION PART NO. QTY. Figure 4 Housing (P24) 033-57150 Housing (P30) 033-57925 1. Clean housing (1) and position on a flat surface with the large open end up.

  • Page 15: Housing Assembly Installation

    Assembly Procedures Continued Series 24, 30 Housing Assembly Installation Figure 5 1. Install gasket (3) over the dowel pin in the mounting flange. Do not use gasket compound. 2. Install the housing assembly (4) over the barrel and aux - iliary shaft assembly.
  • Page 16 PARTS LIST FOR FIGURE 6 ITEM DESCRIPTION PART NO. QTY. No. 3 Splined shaft assy. S23-12474 (See fig. 1) No. 2 Keyed shaft assy. S23-12475 (See fig. 1) Seal retainer 033-57472 Shaft seal 623-00015 Seal retainer O-ring 671-00246 Hex. head screw 306-40123 Nyltite washer 631-45007...

  • Page 17: Port Block Installation

    Assembly Procedures Continued Series 24, 30 PARTS LIST FOR FIGURE 7 Port Block Installation ITEM DESCRIPTION PART NO. QTY. Figure 7 Hex head cap screw (P24P) 306-40221 1. Position the motor with open end of the housing assem - Hex head cap screw (P30P) 306-40230 bly (6) facing up.
  • Page 18 FIGURE 7 www.comoso.com...
  • Page 19 Assembly Procedures Continued Series 24, 30 2. Back off holddown screw assembly 140 °, counter-clock- Barrel Holddown wise. Figure 3 & 7 (24 Series) 3. Barrel lift-off is now set at .032" (.81 mm). 1. Use special tool T2 and slip over auxiliary shaft and 4.

  • Page 20: Shuttle Valve Assembly

    Shuttle Valve Assembly Series 24, 30 8. Install spring (9) in spool (10). Shuttle Valve Assembly Internal Drain 9. Lubricate O-ring (8) and install on groove of plug (7) on 1. Place valve assembly (12, fig. 7) in a horizontal position internally drained shuttle.

  • Page 21: Test Procedures

    Test Procedures Series 24, 30 General Requirements 24 Series 30 Series Maximum System Flow 1. Maximum runout between motor shaft and electric motor 194 GPM (734 l/m) 241 GPM (912 l/m) shaft .003 T.I.R. Maximum Case Drain Flow 2. Electric motor speed—1800 RPM. 3 GPM (11.3 l/m) 4 GPM (15 l/m) 3.
  • Page 22 Notes Series 24, 30 www.comoso.com...

  • Page 23: Ordering Code

    Ordering Code Series 24, 30 Series 24, 30 M 24 G - 2 N 1 D - 00- M 2 - X X X X X Motor series Designates special Displacements, Shuttle Features 24-24.6 in /rev., 403 cc/rev. M * G 00-Without orifices 30-30.6 in /rev., 501.4 cc/rev.
  • Page 24 SALES & SERVICE WORLDWIDE www.comoso.com...

This manual is also suitable for:

Goldcup 24Goldcup 30

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