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INSTRUCTIONS-PARTS LIST 308–425
Rev. C
This manual contains important
Supersedes B
warnings and information.
READ AND KEEP FOR REFERENCE.
INSTRUCTIONS
56:1 RATIO KING CARBON STEEL
Cart-Mounted Airless Package
WITH DURA-FLO 900 DISPLACEMENT PUMP
Refer to page 2 for a List of Models.
Model 237–296 Shown
Table of Contents
06223
Warnings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Setup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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List of Models Maximum Fluid Maximum Air Part No. Series Pump Model Ratio Working Pressure Input Pressure 236–477 B King 56:1 5000 psi (345 bar. 34.5 MPa) 90 psi (6 bar, 0.6 MPa) 237–296 B King, with hose and gun 56:1 5000 psi (345 bar. 34.5 MPa) 90 psi (6 bar, 0.6 MPa) 237–281 B King, with surge tank 56:1 5000 psi (345 bar. 34.5 MPa) 90 psi (6 bar, 0.6 MPa) 237–285 B Reduced Icing Quiet 56:1 5000 psi (345 bar. 34.5 MPa) 90 psi (6 bar, 0.6 MPa) King 238–906 B Reduced Icing Quiet 56:1 5000 ps
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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 might look like just a cut, but it is a serious injury. Get immediate medi- cal attention. Do not point the gun at anyone or at any part of the body. Do not put your hand or fingers over the spray tip. Do not stop
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WARNING FIRE AND EXPLOSION HAZARD Improper grounding, poor ventilation, open flames or sparks can cause a hazardous condition and result in a fire or explosion and serious injury. Ground the equipment and the object being sprayed. Refer to Grounding on page 5. If there is any static sparking or you feel an electric shock while using this equipment, stop spray- ing immediately. Do not use the equipment until you identify and correct the problem. Provide fresh air ventilation to avoid the bu
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Setup General Information Grounding NOTE: Reference numbers and letters in parentheses WARNING in the text refer to the callouts in the figures and the parts drawing. FIRE AND EXPLOSION HAZARD Before operating the pump, ground the system as explained below. Also read NOTE: Always use Genuine Graco Parts and Acces- the section FIRE OR EXPLOSION HAZ- sories, available from your Graco distributor. Refer to ARD on page 4. the Product Data Sheet for the pump, Form No. 305–787. If you supply your own
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Setup The air manifold (J) provides ports for connecting Supplied Components lines to air-powered accessories. Refer to Fig. 2. The air relief valve (38) opens automatically to prevent overpressurization of the pump. WARNING The fluid filter (4) or surge tank includes a 60 A red-handled bleed-type master air valve (F) and mesh (250 micron) stainless steel element to filter a fluid drain valve (D) are supplied. These accesso- particles from the fluid as it leaves the pump. It ries help redu
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Setup KEY SUPPLIED WITH ALL MODELS SUPPLIED WITH MODELS 237–296 AND COMPONENTS YOU MUST SUPPLY 238–906 ONLY 1 Pump A Electrically Conductive Air Supply Hose 2 Cart 102Airless Spray Gun B Bleed-Type Master Air Valve 4 Fluid Filter (includes drain valve D) 103Electrically Conductive Fluid (for accessories) (surge tank on Model 237–281) Supply Hose C Air Line Moisture Trap and Drain Valve D Fluid Drain Valve (required) 104Electrically Conductive Fluid Whip Hose E Grounded 5 Gallon (19 Liter) Pail 7
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Operation Pressure Relief Procedure Packing Nut/Wet-Cup WARNING Before starting, fill the packing nut (K) 1/3 full with Graco Throat Seal Liquid (TSL) or compatible solvent. INJECTION HAZARD See Fig. 3. The system pressure must be manually relieved to prevent the system from starting or spraying accidentally. Fluid under high pressure can be injected through the skin and cause serious injury. To reduce the risk of WARNING an injury from injection, splashing fluid, or moving parts, follow the Pre
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Operation Set the Air and Fluid Pressure CAUTION To avoid tip-over, the cart must be on a flat and level WARNING surface. Failure to follow this caution could result in To reduce the risk of serious injury whenever you injury or equipment damage. are instructed to relieve pressure, always follow the Pressure Relief Procedure on page 8. Prime the Pump 1. Relieve the pressure. Install the tip guard and 1. See Fig. 3. Remove the tip guard and spray tip spray tip in the gun, as explained in the gun
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Operation Shutdown and Care of the Pump CAUTION Never leave water or water-base fluid in the pump WARNING overnight. If you are pumping water-base fluid, flush To reduce the risk of serious injury whenever you with water first, then with a rust inhibitor such as are instructed to relieve pressure, always follow the mineral spirits. Relieve the pressure, but leave the Pressure Relief Procedure on page 8. rust inhibitor in the pump to protect the parts from corrosion. For overnight shutdown, stop
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Operation B KEY 4 Fluid Filter (includes drain valve D) (surge tank on Model 237–281) D Fluid Drain Valve (required) 7 Suction Tube 8 Suction Hose 102Airless Spray Gun 103Electrically Conductive Fluid Supply Hose A Main Air Line B Bleed-Type Master Air Valve (for accessories) F Red-Handled Bleed-Type Master Air Valve (required, for pump) G Air Line Inlet Swivel H H Pump Air Filter/Regulator Detail of Air Line Connection K Packing Nut/Wet-Cup and Air Regulation Kit (19) Torque to 100–110 ft-l
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Parts Part No. 236–477, Series B (includes items 1–38) Part No. 237–296, Series B (includes items 1–106) 25 (Ref) 19 36 25 26 102 38 1 15 106 2c 34 37 2d 35 16 104 17 10 13 11 2 12 105 33 103 4 2a 14 6 5 2b 103 (Ref) 87
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Parts Part No. 236–477, Series B (includes items 1–38) Part No. 237–296, Series B (includes items 1–106) Ref. Ref. No. Part No. Description Qty. No. Part No. Description Qty. 1 236–475 PUMP, King, 56:1 ratio; 15 100–004 CAPSCREW, hex hd; 3/8–16 unc–2a; See manual 308–353 for parts 1 1.25 in. (31 mm) long 4 2 238–271 CART, portable 16 100–133 LOCKWASHER, external tooth; 3/8” 4 Includes replaceable items 2a–2d 1 17 100–131 NUT, full, hex; 3/8–16 unc–2b 4 2a 113–362 . WHEEL 2 19 238–881 AIR REGULA
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Parts Part No. 237–281, Series B 25 (Ref) 19 36 25 26 38 1 15 29 2c 34 31 30 37 2d 35 32 10 16 13 17 11 2 12 33 2a 4 14 6 5 2b 87
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Parts Part No. 237–281, Series B Ref. Ref. No. Part No. Description Qty. No. Part No. Description Qty. 1 236–475 PUMP, King, 56:1 ratio; 13 112–973 O-RING; PTFE 1 See manual 308–353 for parts 1 14 156–849 NIPPLE; 3/8 npt 1 2 238–271 CART, portable 15 100–004 CAPSCREW, hex hd; 3/8–16 unc–2a; Includes replaceable items 2a–2d 1 1.25 in. (31 mm) long 4 2a 113–362 . WHEEL 2 16 100–133 LOCKWASHER, external tooth; 3/8” 4 2b 113–436 . RING, retaining 2 17 100–131 NUT
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Parts Part No. 237–285, Series B (includes items 1–38) Part No. 238–906, Series B (includes items 1–106) 25 (Ref) 19 36 25 26 1 102 38 15 106 2c 34 37 2d 35 16 104 17 10 13 11 2 12 105 33 103 4 2a 14 6 5 2b 103 (Ref) 87 06229
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Parts Part No. 237–285, Series B (includes items 1–38) Part No. 238–906, Series B (includes items 1–106) Ref. Ref. No. Part No. Description Qty. No. Part No. Description Qty. 1 237–278 PUMP, King, 56:1 ratio; 15 100–004 CAPSCREW, hex hd; 3/8–16 unc–2a; See manual 308–353 for parts 1 1.25 in. (31 mm) long 4 2 238–271 CART, portable 16 100–133 LOCKWASHER, external tooth; 3/8” 4 Includes replaceable items 2a–2d 1 17 100–131 NUT, full, hex; 3/8–16 unc–2b 4 2a 113–362 . WHEEL 2 19 238–881 AIR REGULA
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Technical Data Category Data Maximum fluid working pressure 5000 psi (345 bar, 34.5 MPa) Maximum air input pressure 90 psi (6 bar, 0.6 MPa) Ratio 56:1 Pump performance data See pump manual 308–353 Air consumption data See pump manual 308–353 Air inlet size 3/4 npsm(f) Fluid outlet size (at fluid filter) 3/8 npt(m) Fluid inlet size 2 in. npt(f) Maximum operating temperature 180F (82C) Wetted parts Pump: See pump manual 308–353 Fluid Filter/Surge Tank: See manual 307–296 Suction Hose and Tube:
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Dimensions Model 236–477 Shown A B C 06224 Pump Model A B C Width Across Weight Wheels 236–477 51.1 in. (1297 mm) 28.1 in. (714 mm) 30.7 in. (780 mm) 26 in. (660 mm) 270 lb (123 kg) 237–296 51.1 in. (1297 mm) 28.1 in. (714 mm) 30.7 in. (780 mm) 26 in. (660 mm) 295 lb (134 kg) 237–281 51.1 in. (1297 mm) 28.1 in. (714 mm) 30.7 in. (780 mm) 26 in. (660 mm) 280 lb (127 kg) 237–285 51.2 in. (1300 mm) 28.1 in. (714 mm) 30.7 in. (780 mm) 26 in. (660 mm) 270 lb (123 kg) 238–906 51.2 in. (1300 mm) 28.1 i
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The Graco Warranty and Disclaimers WARRANTY Graco warrants all equipment listed in this manual which is manufactured by Graco and bearing its name to be free from defects in material and workmanship on the date of sale by an authorized Graco distributor to the original purchaser for use. 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 defec- tive. This warranty applies only when the equipment is installed, ope
