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Summary of Contents for Graco Viscount I
- Page 1 Instructions- Parts ® Viscount I Hydraulic Motor 312484B Model 255345, Series A 1500 psi (10 MPa, 102 bar) Maximum Hydraulic Input Pressure Important Safety Instructions Read all warnings and instructions in this manual. Save these instructions. ti10714a...
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Page 2: Table Of Contents
Graco Standard Warranty ....16 Graco Information ......16... -
Page 3: Warnings
Warnings Warnings The following warnings are for the setup, use, grounding, maintenance, and repair of this equipment. The exclama- tion point symbol alerts you to a general warning and the hazard symbol refers to procedure-specific risk. Refer back to these warnings. Additional, product-specific warnings may be found throughout the body of this manual where applicable. - Page 4 Warnings WARNING WARNING WARNING WARNING FIRE AND EXPLOSION HAZARD Flammable fumes, such as solvent and paint fumes, in work area can ignite or explode. To help prevent fire and explosion: • Use equipment only in well ventilated area. • Do not fill fuel tank while engine is running or hot; shut off engine and let it cool. Fuel is flammable and can ignite or explode if spilled on hot surface.
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Page 5: Installation
Before using any other type of oil in this equipment, call your Graco • Fluid supply container: Follow your local code. distributor. Unauthorized use of lesser grade oil or sub- stitutes will void the warranty. -
Page 6: Pressure Relief Procedure
Installation Pressure Relief Procedure SKIN INJECTION HAZARD The system pressure must be manually relieved to prevent the system from starting or spraying acciden- tally. Fluid under high pressure can be injected through the skin and cause serious injury. To reduce the risk of an injury from injection, splashing fluid, or moving parts, follow the Pressure Relief Procedure whenever you:... -
Page 7: Troubleshooting
Troubleshooting Troubleshooting Problem Cause Solution Hydraulic Motor stops running. Worn valve or valve balls (3); broken Repair valve. See page 8. valve spring (18). Broken trip rod (17), spring (12) or Repair valve. See page 8. retainers (11). Poor performance or reduced effi- Worn piston seals (5, 6, 7). -
Page 8: Hydraulic Motor Disassembly
Service Hydraulic Motor Disassembly NOTE: If any of these parts are being reused, thor- oughly clean any adhesive residue from the screws and NOTE: female threads of the spool. Use a surface cleaner such Repair Kit 247557 is available. For best results, as chlorinated solvent on the threads and blow dry with use all the parts in the kit. - Page 9 Service 32 (Ref) 39 (Ref) ti11189b 312484B...
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Page 10: Hydraulic Motor Reassembly
Service Hydraulic Motor Reassembly 1. Install the block packing (14*) and wiper (15*) in the 10. To assemble the valve mechanism, use Repair Tool housing retainer (36). The spring of the block pack- 189305 as follows: ing and the lips of the wiper must face up. Install the a. - Page 11 Service Spring faces up. Apply primer to threads and let dry 3 to 4 minutes Lips face up. Apply 1 or 2 drops of thread sealant to female threads. Apply thread sealant to female threads. Torque to 42 to 45 in.-lb (4.7 to 5.1 N•m). Torque to 54 to 56 in.-lb (6.1 to 6.3 N•m).
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Page 12: Viscount I Hydraulic Motor Parts
Viscount I Hydraulic Motor Parts Viscount I Hydraulic Motor Parts Model 255345, Series A 32 (Ref) 39 (Ref) ti11189b 312484B... - Page 13 Viscount I Hydraulic Motor Parts Model 255435, Series A Ref. Ref. Part No. Description Qty. Part No. Description Qty. 236420 TUBE, drain; w/9/16-18 unf-2b fit- VALVE, spool tings 106274 O-RING; buna-N NUT, hex, self locking; BALL; carbon steel 1/4-28 UNF-2B YOKE, valve 112561 PACKING, block;...
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Page 14: Accessories
Accessories Accessories NOTE: Use Only Genuine Graco Parts and Accesso- ries. Graco-Approved Hydraulic Fluid Premium, ISO Grade 46 petroleum-based hydraulic oil containing rust and oxidation exhibitors and anti-wear agents. 210° F (99° C) Flash Point. Parts Description 169236 5 gallon (20 liter) 207428 1 gallon (3.8 liter) -
Page 15: Notes
Notes Notes 312484B... -
Page 16: Graco Standard Warranty
With the exception of any special, extended, or limited warranty published by Graco, Graco will, for a period of twelve months from the date of sale, repair or replace any part of the equipment determined by Graco to be defective.
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