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Repair and Parts
230E Airless Paint Sprayer
Model 246737
3000 psi (20.7 MPa, 207 bar) Maximum Working Pressure
Read warnings and instructions.
TI3477c
GRACO INC. P.O. BOX 1441 MINNEAPOLIS, MN 55440–1441
Copyright 2003, Graco Inc. is registered to I.S. EN ISO 9001
Parts
Related Manuals
309859 – Operation
309646 – Tool Tips
309060 – Pump Repair
309860C
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Table of Contents
Related Manuals for Graco 246737
Summary of Contents for Graco 246737
- Page 1 3000 psi (20.7 MPa, 207 bar) Maximum Working Pressure Read warnings and instructions. Related Manuals 309859 – Operation 309646 – Tool Tips 309060 – Pump Repair TI3477c GRACO INC. P.O. BOX 1441 MINNEAPOLIS, MN 55440–1441 Copyright 2003, Graco Inc. is registered to I.S. EN ISO 9001...
- Page 2 Keep clear of tip and/or roller frame. Never point at Do not smoke in spray area. yourself or anyone else. Use only Graco airless paint hoses. Use outdoors or in a well-ventilated area. FLUID SPLASHBACK HAZARD To avoid splashing fluid when spraying into pail, always aim at inside wall of pail.
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Page 3: Component Identification And Function
Component Identification and Function ti7235a Motor DC motor, permanent magnet, fan cooled Drive Assembly Transfers power from DC motor to displacement pump Displacement Pump Transfers fluid to be sprayed from source through spray gun Fluid Outlet Spray gun is connected here Prime Valve Used to prime and drain sprayer (also relieves fluid outlet pressure) when open... -
Page 4: Maintenance
Gun trigger safety. Tip wear, replace if necessary. Electric cord and plug. 2. Fill throat packing nut with Graco TSL to pre- vent premature packing wear. Do this each time you spray. ti7236a Approximate Fill Level... -
Page 5: General Repair Information
General Repair Information Pressure Relief Procedure 1. Keep all screws, nuts, washers, gaskets, and electrical fittings removed during repair proce- dures. These parts are not normally provided with WARNING replacement assemblies. WARNING Page 2 Page 2 1. Lock gun safety latch. 2. -
Page 6: Troubleshooting
Grounding WARNING grounded outlets Page 2 1. 100–120 Vac models require a 50/60 Hz, 15A circuit with a grounding receptacle. See Fig. 1. grounding prong 2. Do not alter ground prong or use adapter. Fig. 1 3. 120 Vac: A 12 AWG, 3 wires with grounding prong, 300 ft (90 m) extension cord may be used. - Page 7 Troubleshooting MOTOR WON’T OPERATE (Continued) 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 Basic Electrical Problems 5. That motor leads are securely fastened and 5.
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Page 8: Low Or Fluctuating Output
Troubleshooting LOW OR FLUCTUATING OUTPUT 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 Low Output 1. For worn spray tip. 1. Follow Pressure Relief Procedure, then replace tip. - Page 9 Troubleshooting LOW OR FLUCTUATING OUTPUT 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 Motor runs and pump strokes 1. Paint supply. 1. Refill and reprime pump. 2.
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Page 10: Motor Is Hot And Runs Intermittently
Troubleshooting MOTOR IS HOT AND RUNS INTERMITTENTLY 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 Motor is hot and runs intermit- 1. Determine if sprayer was operated at high 1. -
Page 11: Motor Brush Replacement
Spin Test Setup Armature, Brushes, and Motor Wiring Open Circuit Test (Continuity) WARNING 1. Connect red and black motor leads together with test lead. Turn motor fan by hand at about two revolutions per second. Page 2 2. If uneven or no resistance, check for: broken brush springs, brush leads, motor leads;... - Page 12 Motor Brush Replacement 4. Fig. 4. Insert brush (B). Push clip (A) until it snaps 6. Inspect commutator for excessive pitting, burning into place and secures brush. or gouging. A black color on commutator is normal. Have commutator resurfaced by a motor repair shop if brushes wear too fast.
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Page 13: Hour Meter Replacement
Hour Meter Replacement The sprayer is equipped with a SenDEC Hour Meter. 1. Unplug sprayer. Every 40 hours it will flash, signaling the need to change throat packings, check filter and inspect ball 2. Unplug wire leads from hour meter (133). checks. -
Page 14: On/Off Switch Replacement
On/Off Switch Replacement Removal Installation 1. Install new ON/OFF switch (23). Install locking ring WARNING (24) and toggle boot (25). 2. Connect two wires (A) to ON/OFF switch. Page 2 3. Install pressure control cover (39) with four screws (18). 1. -
Page 15: Pressure Control Repair
Pressure Control Repair Motor Control Board Diagnostics Note: Keep a new transducer on hand to use for test. WARNING CAUTION Do not allow sprayer to develop fluid pressure with- Page 2 out transducer installed. Leave drain valve open if test transducer is used. 1. -
Page 16: Motor Control Board
Pressure Control Repair Motor Control Board Removal Installation Refer to Fig. 6. 4. Fig. 6. Install motor control board (35) with five screws (36). WARNING 5. Connect to motor control board (35): Page 2 D Lead (E) to transducer. 1. Remove four screws (18) and cover (39). D Lead (D) to potentiometer. -
Page 17: Pressure Control Transducer
Pressure Control Repair Pressure Control Transducer Pressure Adjust Potentiometer Removal Removal Refer to Fig. 6. Refer to Fig. 6. WARNING WARNING Page 2 Page 2 1. Remove four screws (18) and cover (39). 1. Remove four screws (18) and cover (39). 2. -
Page 18: Drive Housing Replacement
Drive Housing Replacement 3. Remove two front screws (22). CAUTION 4. Remove two back screws (22). Do not drop gear cluster (7) when removing drive housing (10). Gear cluster may stay engaged in 5. Pull drive housing (10) off of motor (1). motor front end bell or drive housing. -
Page 19: Motor Replacement
Motor Replacement Disassembly 5. Remove strain relief (37) and motor fan (2), page WARNING 6. Remove three screws (22) behind board and remove control housing (21), Fig. 6, page 14. 7. Remove four screws (22) and motor (1) from Page 2 frame (63). -
Page 20: Displacement Pump Replacement
1. Fig. 10. Extend pump piston rod fully. Apply grease to top of pump rod at (A) or inside connecting rod. ti7242a Fig. 11 7. Fig. 12. Fill packing nut with Graco TSL until fluid flows onto top of seal. ti7240a Fig. 10 2. - Page 21 Notes 309860...
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Page 22: Parts List - Sprayer
Parts List - Sprayer NO. PART NO. DESCRIPTION NO. PART NO. DESCRIPTION 242012* MOTOR, 120 vac 287159 KIT, shroud, motor 115525 BLADE, fan motor includes 74a, 74b, 74c, 126 and 127 243219 GEAR, combination 195159 BRACKET, shroud 243218 CRANK SHAFT 114531 SCREW, slot hd, hex, washer hd 243221... -
Page 23: Parts Drawing
Parts Drawing Detail A Detail A Ref 19 79 Ref ti3522 309860... - Page 24 Parts Drawing Ref 1 Ref 45 TI3523C Parts List – Sprayer NO. PART NO. DESCRIPTION NO. PART NO. DESCRIPTION 115492 SCREW, slot hd, hex, washer hd 241990 BOARD, control 276539 HOUSING, control 115494 SCREW, 6–32 X 1/2, TAPTITE 115495 SCREW, slot hd, hex, washer hd 115756 BUSHING, strain relief 195429...
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Page 25: Wiring Diagram
Wiring Diagram Red (+) ON/OFF Switch Black Green Pressure Power Transducer Plug White TI3515A Black (–) Potentiometer Yellow Hour Meter from Motor 309860... -
Page 26: Technical Data
Technical Data 100–120V, ∅, 220–240V, ∅, Generator Motor HP Cycles per gallon Maximum Maximum Fluid Outlet A, Hz A, Hz Minimum W (liter) Delivery gpm Tip size npsm (lpm) 1, 15, 50/60 1, 10, 50/60 3000 7/8 (653) 680 (180) 0.38 (1.25) 0.019 1/4 in. - Page 27 Notes 309860...
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Page 28: Graco Standard 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.
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