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INSTRUCTIONS-PARTS LIST
This manual contains important
warnings and information.
READ AND KEEP FOR REFERENCE.
INSTRUCTIONS
220 VAC, 50 HZ, 12A
Mark V Texture Sprayer
21.0 MPa (210 bar, 3000 psi) Maximum Working Pressure
Model 231–355, Series B
Includes texture sprayer, 15 m hose, 1 m hose,
and texture spray gun
Patents Pending
GRACO INC. P.O. BOX 1441 MINNEAPOLIS, MN 55440–1441
COPYRIGHT 1995, GRACO INC.
Graco Inc. is registered to I.S. EN ISO 9001
308–490
Supersedes D
First choice when
quality counts.
Rev. E
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Table of Contents
Related Manuals for Graco Mark V B Series
Summary of Contents for Graco Mark V B Series
- Page 1 Model 231–355, Series B Includes texture sprayer, 15 m hose, 1 m hose, and texture spray gun Patents Pending GRACO INC. P.O. BOX 1441 MINNEAPOLIS, MN 55440–1441 COPYRIGHT 1995, GRACO INC. Graco Inc. is registered to I.S. EN ISO 9001...
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Page 2: Table Of Contents
........Graco Phone Number . -
Page 3: Warnings
WARNING INJECTION HAZARD Spray from the gun, leaks or ruptured components can inject fluid into your body and cause extremely serious injury, including the need for amputation. Fluid splashed in the eyes or on the skin can also cause serious injury. Fluid injected into the skin is a serious injury. - Page 4 This equipment is for professional use only. Read all instruction manuals, tags, and labels before operating the equipment. Use the equipment only for its intended purpose. If you are uncertain about usage, call your Graco distributor. Do not alter or modify this equipment. Use only genuine Graco parts and accessories.
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Page 5: Major Components
Major Components Fig. 1 Motor (Under shield shown) DC motor, 220 Vac, 50 Hz, 12A, 1 phase Pressure Adjusting Knob Controls fluid outlet pressure ON/OFF Switch Power switch that controls 220 Vac power to sprayer Drive Assembly Transfers power from DC motor to the displacement pump Fluid Filter Filter of fluid between source and spray gun Secondary Fluid Outlet... -
Page 6: Setup
3. Never install any shutoff device between the filter and the hose. See A, Fig. 2. 1. Connect gun (B) and 15 m hose (C). Don’t install the spray tip yet. See Fig. 2. 2. Fill wet-cup (D) 1/3 full with Graco Throat Seal Fig 2 Liquid, supplied. -
Page 7: Airless Operation
Airless Operation WARNING WARNING FIRE AND EXPLOSION HAZARD INJECTION HAZARD To reduce the risk of fluids entering To reduce the risk of serious injury, control box, check weep hole (Fig.16, C) whenever you are instructed to relieve regularly. Replace o–ring when any pressure, follow the Pressure Relief leakage is seen. -
Page 8: Operation
Operation Pressure Relief Procedure Cleaning a Clogged Tip WARNING WARNING INJECTION HAZARD To reduce the risk of serious injury, PRESSURIZED EQUIPMENT HAZARD whenever you are instructed to relieve The system pressure must be manually pressure, follow the Pressure Relief relieved to prevent the system from Procedure. - Page 9 1. Check wet-cup (A) daily. See Fig 5. First relieve pressure and remove wet-cup plug. Keep wet-cup 1/3 full with Graco Throat Seal Liquid at all times to help prevent material from building up on piston rod which causes packings to wear prematurely.
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Page 10: Flushing
Flushing Use this category for flushing a brand new sprayer and flushing after storage. Flushing order: System has Next fluid to be Before you spray: this fluid in it: this fluid in it: sprayed: sprayed: Flush 1 Flush 2 Flush 3 Oil-based Oil-based fluid –... - Page 11 Flushing 7. Hold a metal part of gun firmly against metal waste 11. If you flushed with mineral spirits and are going to container. See preceding WARNING! Trigger gun, use a water-base material, flush with soapy water turn sprayer switch (F) on, and slowly increase and then clean water.
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Page 12: Troubleshooting
Troubleshooting WARNING INJECTION HAZARD To reduce the risk of serious injury, whenever you are instructed to relieve pressure, follow the Pressure Relief Procedure on page 8. Check everything in the guide before disassembling the sprayer. WHAT TO DO TYPE OF PROBLEM WHAT TO CHECK If check is OK, go to next check When check is not OK refer to this column... - Page 13 Troubleshooting TYPE OF PROBLEM WHAT TO CHECK WHAT TO DO If check is OK, go to next check When check is not OK refer to this column Follow Pressure Relief Procedure (Continued) Check for worn spray tip. Warning, then replace tip. See your Motor runs and pump strokes, but output is low or there is no separate gun or tip manual.
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Page 14: Motor Brush Replacement
Motor Brush Replacement 5. Inspect motor commutator for excessive pitting, WARNING burning or gouging. A black color on commutator is normal. Have commutator resurfaced by qualified ELECTRIC SHOCK HAZARD motor repair shop if brushes seem to wear too To reduce the risk of Electric Shock: wait fast. - Page 15 Motor Brush Replacement Spring must coil in this direction Minimum brush length: 10 mm Fig 8 01227 Fig 10 01227 Fig 9 01227...
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Page 16: Displacement Pump
4. Tighten packing nut/ wet-cup just enough to stop again. Stop pump with piston rod in its lowest leakage, but no tighter. Fill wet-cup/packing nut 1/3 position, if possible. full with Graco TSL. 2. Remove hose (132). 3. Push retaining spring (35) up and push out pin (20). -
Page 17: Motor
Motor 6. Tap rear of pump (39) with plastic mallet to loosen WARNING drive housing (18) from motor (1). Pull off drive housing. INJECTION HAZARD To reduce the risk of serious injury, NOTE: Do not drop the gear cluster (9), which may whenever you are instructed to relieve stay engaged in the motor bell or in the drive housing. - Page 18 Motor Seals (93) located inside conduit (22) Bronze colored washer Apply 175 cc bearing grease Silver colored washer Fig 13...
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Page 19: Pressure Control
Pressure Control 8. Install pump pin and fan cover. CAUTION WARNING Do not install the pressure control until motor is checked. A defective motor may damage the pres- sure control. Make sure to test the motor prior to INJECTION HAZARD pressure control installation. -
Page 20: Pressure Control Repair
Pressure Control Seals (93) located inside conduit (22) Fig 15 Pressure Control Repair General Repair and Replacement 5. Install control housing (202) to motor control board (201) using screws (213) and lockwashers (214). WARNING Pressure Control Transducer and O–Ring INJECTION HAZARD Replacement To reduce the risk of serious injury, whenever you are instructed to relieve... - Page 21 Pressure Control Repair Torque to 17 N–m (150 in. lbs) Fig 16 2. Carefully slide new o–ring (220) down bore (A) of 5. Carefully remove transducer and verify that o–ring motor control (201) into o–ring groove (B). Make is seated correctly and not pushed out of groove. If sure o–ring is in groove around its entire circumfer- not seated correctly use new o–ring and repeat ence.
- Page 22 Pressure Control Wiring BRN wire, L to on/off sw–1 GRN/YEL wire, E to housing ground BLU wire, N to on/off sw–4 BLU/WHT wire to L2 on board BRN/WHT wire to L1 Twisted pairs on board Housing ground On/off sw Purple wires to I1 and I2 on board Twisted pairs To J3...
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Page 23: Bearing Housing & Connecting Rod
Bearing Housing and Connecting Rod WARNING INJECTION HAZARD To reduce the risk of serious injury, whenever you are instructed to relieve pressure, follow the Pressure Relief Procedure on page 8. Torque to 34 n.m (300 in-lb) NOTE: Stop the sprayer at the bottom of its stroke to get the crank (H) in its lowest position.To lower the Lubricate crank manually, rotate the blades of the motor fan with... -
Page 24: Drive Housing
Drive Housing 5. Remove screws (51) from drive housing. WARNING 6. Remove screws (30, 21) from motor (1). INJECTION HAZARD 7. Tap drive housing (18) with plastic mallet to loosen To reduce the risk of serious injury, from motor and pull straight off. whenever you are instructed to relieve pressure, follow the Pressure Relief NOTE: Do not drop the gear cluster (9), which may... - Page 25 Notes...
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Page 26: Sprayer Parts Drawing
Sprayer Parts Drawing 18b 9 (both sides) 37,124 58 11 22,93 Ref 37 Safety label Identification label 112 117 Information label Caution label... -
Page 27: Sprayer Parts List
Sprayer Parts List Model 231–355, Series B Complete Sprayer with Gun Kit Includes items 1 – 142 Part No. Description Part No. Description 235–726 MOTOR KIT 106–115 LOCKWASHER, 3/8” 290–048 LABEL, identification, motor cover 114–030 UNION, swivel, 45 290–047 LABEL, identification, motor cover 108–849 CAPSCREW, 1/4–20 x 3”... - Page 28 Pressure Control Parts List Torque to 17 N–m (150 in. lbs) To housing ground, Fig. 17. Located this point, inside housing WARNING! See Transducer Pressure Control and O–Ring Replacement on page 20 for corrrect replacement procedure. Fig 20...
- Page 29 Pressure Control Parts List Part Number 239–429 Pressure Control Includes items 201 – 234 Part No. Description Part No. Description 239–429 PRESSURE CONTROL 192–144 SPACER, transducer 192–145 BRACKET, transducer See Ref. No. 130 on page 27 for location on 236–364 TRANSDUCER, pressure control Sprayer 239–283...
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Page 30: Accessories
Fluid Outlet Size ....3/8 npsf from control Order the labels directly from your Graco Sound Data distributor. Sound pressure level .... - Page 31 Notes...
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Page 32: Graco Warranty
Graco distributor to the original purchaser for use. 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.