Denison Hydraulics Goldcup Series Installation & Overhaul Instructions
Variable displacement axial piston motor
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- Service information (67 pages) ,
- Service information (48 pages)
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Summary of Contents for Denison Hydraulics Goldcup Series
- Page 1 DENISON HYDRAULICS SERVICE LITERATURE Axial Piston Motor Variable Displacement Goldcup Series M6H-Model C Goldcup Series M7H-Model A INSTALLATION & OVERHAUL INSTRUCTIONS SVM-M6/M7-G Revised 4/04...
- Page 2 “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 description, calculation, specification or information contained herein.
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Page 3: Table Of Contents
TABLE OF CONTENTS SECTION 1 INTRODUCTION PAGE General------------------------------------------------------------------------- Description-------------------------------------------------------------------- Table 1 Characteristics---------------------------------------------------- SECTION II INSTALLATION Mounting---------------------------------------------------------------------- Piping-------------------------------------------------------------------------- Service Information--------------------------------------------------------- Start Up------------------------------------------------------------------------ Table II Trouble Shooting------------------------------------------------- SECTION III DISASSEMBLY Controls------------------------------------------------------------------------ Barrel Holddown ------------------------------------------------------------- Port Block--------------------------------------------------------------------- Barrel & Holddown Shaft - ------------------------------------------------- Drive Shaft-------------------------------------------------------------------- Housing------------------------------------------------------------------------ Cam &... -
Page 4: General
SECTION 1 - INTRODUCTION General The Denison Goldcup 6 and 7 axial piston motors feature advanced design concepts which are time proven and provide for smooth controlled power. The instructions contained in this manual cover complete disassembly and reassembly of the unit. Before proceeding with the disassembly or reassembly of any unit, this manual should be studied in order to become familiar with proper order and parts nomenclature. -
Page 5: Mounting
SECTION II – INSTALLATION MOUNTING This motor is designed to operate in any position. The mounting hub and two bolt mounting flange are in full conformance with SAE standard. The motor shaft must be in alignment with the shaft of the driven load and should be checked with a dial indicator. The mounting pad or adaptor into which the fluid motor pilots must be concentric with the motor shaft within 0.010 TIR to prevent bearing failure. - Page 6 TROUBLESHOOTING TROUBLESHOOTING Component problems and circuit problems are often interrelated. An improper circuit may operate with apparent success but will cause failure of a particular component within it. The component failure is the effect, not the cause of the problem. This general guide is offered to help in locating and eliminating the cause of problems by studying their effects.
- Page 7 TROUBLESHOOTING TROUBLESHOOTING (continued) Effect of Trouble Possible Cause Fault which needs remedy High wear in motor Improper repair Incorrect parts (continued) Incorrect procedures, dimensions, finishes Unwanted water Condensation In fluid Faulty breather/strainer Heat exchanger leakage Faulty clean-up practice Water in make-up fluid Pressure shocks Cogging load Mechanical considerations...
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Page 8: Controls
SECTION III – UNIT DISASSEMBLY The instructions contained in this section cover a complete teardown of the subject motor. Disassemble only as far as necessary to replace or repair any worn parts. DISASSEMBLY Position motor unit so the shuttle valve assembly is on the bottom. A bench or similar suitable surface capable of supporting unit should be used. -
Page 9: Assembly Tool Drawings
SECTION IV – ASSEMBLY TOOL DRAWINGS... -
Page 10: T4 & T5
SECTION IV – ASSEMBLY TOOL DRAWINGS REWORK LIMITS OF WEAR PARTS 6 and 7.25 In.3 Original Max. Rework from Min. Dimension Dimension Original Dimension After Rework Port plate face .315/.305” .010” .295” Cylinder barrel face 4.480” .010” 4.470” Shoe retainer face .314/.312”... -
Page 11: Assembly Procedures
SECTION V – ASSEMBLY PROCEDURES DRIVE SHAFT ASSEMBLY 1. Pass one retaining ring (3) over the internal end of drive shaft (1) and install in the Figure 1 groove near the shaft seal surface. DO NOT PASS THE RING OVER THE SEAL SURFACE. 2. -
Page 12: Rocker Cam & Stroking Assembly
SECTION V – ASSEMBLY PROCEDURES ROCKER CAM ASSEMBLY Position the rocker cam (24) on the cradle (20). Note the marks made previously on the See Figure 3 cradle and cam to indicate top. (See marks in Figure 3.) Marks will be used for assembly reference. - Page 13 SECTION V – ASSEMBLY PROCEDURES PARTS LIST FOR FIGURE 3 QTY. PART DESCRIPTION NUMBER Retaining ring – USE ONE ONLY 033-72175 .086 w/white dot 033-72176 .084 w/blue dot 033-70484 .083 thick w/yellow dot 033-70488 .081 thick w/green dot 033-70490 .079 thick w/red dot 033-72249 Thrust washer ---------------...
- Page 14 SECTION V – ASSEMBLY PROCEDURES...
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Page 15: Barrel & Stroking Assembly To Mounting Flange
SECTION V – ASSEMBLY PROCEDURES BARREL, ROCKER CAM AND FLANGE ASSEMBLY See Figure 4 1. Install tube line assemblies (3) and (4) in the holes provided in cradle. 2. Install two dowel pins (6) in the cradle mounting surface of the flange and two dowel pins (6) in the outer edge of the flange. -
Page 16: Housing Assembly And Installation
SECTION V – ASSEMBLY PROCEDURES HOUSING ASSEMBLY See Figure 5 1. Position housing (1) on a clean flat surface with the large open end up. 2. Install bearing (2) in the housing bore. Insert pressing plug tool (figure T-4) in the bearing. With a smooth and steady force, press the bearing into the housing bore until seated. -
Page 17: Mounting Port Block Assembly
SECTION V – ASSEMBLY PROCEDURES MOUNTING PORT BLOCK 1. Thread socket pipe plugs (2) into port block. ASSEMBLY 2. Install O-ring (4) on hollow hex plug (3) and thread the tapped hole in tope of the See Figure 7 port block. 3. -
Page 18: Barrel Holddown
SECTION V – ASSEMBLY PROCEDURES BARREL HOLD-DOWN 1. Install seal ring (3) on hold-down shaft. Position bearing (2) between the two thrust Figure 8 washers (1) and install around the seal ring. 2. Install hold-down nut (4) on the shaft and tighten no more than 10 ft. lbs. max. Back off the nut until second slot is aligned with cotter pin hole in the shaft. -
Page 19: Shaft & Shaft Seal
SECTION V – ASSEMBLY PROCEDURES SHAFT AND SEAL 1. Stand the motor in an upright position with the port block inlet and outlet pads turned INSTALLATION down. See Figure 9 2. Remove the two 1/4-20 x 1 1/4” screws that were temporarily used to hold the cradle in the mounting flange. - Page 20 SECTION V – ASSEMBLY PROCEDURES PARTS LIST FOR FIGURE 9 QTY. PART DESCRIPTION NUMBER S13-41805 No. 1 Splined Shaft Assy. (See Fig. 1) S13-41806 No. 2 Keyed Shaft Assy. (See Fig. 1) 033-53948 Shim 033-53949 Shim 033-53901 Retaining Ring 033-53902 Retaining Ring 033-53903 Retaining Ring...
- Page 21 SECTION V – ASSEMBLY PROCEDURES...
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Page 22: Shuttle Valve Assembly
SECTION V – ASSEMBLY PROCEDURES SHUTTLE VALVE ASSEMBLY 1. Place valve assembly (20) in a horizontal position with the O-ring groove up. Internal Drain 2. Press seat (11) in the .500” diameter bore until it is flush with the body surface. 3. - Page 23 Tel : +33 (2) 48 53 01 20 Fax : +44 (1924) 826 146 Tel : +886-2-23645101 Fax : +33 (2) 48 53 01 46 Fax : +886-2-23639025 For more information, please contact: © Copyright 2002 Denison Hydraulics Inc. All rights reserved. 4 -30-02...
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