Page 2 - Warning Symbol; Caution Symbol; CAUTION; WARNING; EQUIPMENT MISUSE HAZARD
2 308–293 Table of Contents Warnings 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Selection Charts 4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Air Flow and Atomizing Pressure 7 . . . . . . . . . . . . . . . . . Typical Installation 8 . . . . . . ....
Page 3 - PRESSURIZED EQUIPMENT HAZARD
308–293 3 WARNING PRESSURIZED EQUIPMENT HAZARD Spray from the gun, hose leaks or ruptured components can splash fluid in the eyes or on the skin andcause serious injury. Do not stop or deflect fluid leaks with your hand, body, glove or rag. Follow the Pressure Relief Procedure on page 13 when: you a...
Page 4 - Selection Charts; Standard Gun Assemblies
4 308–293 Selection Charts TERMS: Light Fluid: Up to 18 seconds with No. 2 Zahn cup (20 centipoise) Medium Fluid: 19 to 28 seconds with No. 2 Zahn cup (20–64 centipoise) Heavy Fluid: Greater than 28 seconds with No. 2 Zahn cup (greater than 64 centipoise) -- 2.8 Volatile Organic Compounds, High-soli...
Page 5 - Optional Non-HVLP Compliant Gun Assemblies; Optional Needle/Nozzle/Air Cap Kits – available as “Build to Order”
308–293 5 Selection Charts CHART 1: GUN ASSEMBLIES, Series B (continued) Optional Non-HVLP Compliant Gun Assemblies With standard needle and nozzle and optional high pressure air cap Includes: Optional Complete Gun Assy. Part No. Needle Assy. P/N * Nozzle P/N { High Pressure Air Cap P/N Orifice Size...
Page 6 - Selection Problems and Solutions
6 308–293 Selection Charts CHART 3: OPTIONAL ORIFICE PURGESST NEEDLE Optional Stainless Steel Orifice-Purge Needle Part No. Orifice Size 186–931 0.042” (1.067 mm) 186–932 0.055” (1.397 mm) 186–933 0.070” (1.778 mm) 186–934 0.086” (2.184 mm) Use these needles to purge fluid out of the nozzleorifice t...
Page 7 - Air Flow and Atomizing Pressure; Air Flow; Atomizing Air Pressure
308–293 7 Air Flow and Atomizing Pressure NOTE: All tests were completed with the pattern adjustment valve fully open. Air Flow #! "# Models 236–023 & 236–024 All other models Atomizing Air Pressure (inlet pressure versus atomizing pressure) Models 236–013 to 236–016 and 236–020 to 236–028 G...
Page 8 - Typical Installation; Ventilate the Spray Booth
8 308–293 Typical Installation KEY A Model M-1265 Spray GunSee page 4 for part numbers. B Fluid Inlet; 3/8 npsm (R3/8–19) C Air Inlet; 1/4 npsm D Air HoseRecommend 5/16” (7.9 mm) ID hoseOptional 3/8” (9.5 mm) ID hose E Air Shut-off Valve F Air Regulator G Air Filter H Air Supply Line A B C D E F G 0...
Page 9 - Setup; Connect the Air Line; Connect the Fluid Hose
308–293 9 Setup 1. Connect the Air Line NOTE: You must install an air pressure regulator (F) on thegun air line to control air pressure to the gun. SeeFig. 2. If your regulated air source does not have a filter , install an air filter (G) on the air line to ensure a dry,clean air supply to the gun. ...
Page 10 - Position the Air Cap; Adjust the Spray Pattern
10 308–293 Setup 3. Flush the Spray Gun. Before running any paint through the spray gun, flushthe gun out with a solvent that is compatible with thefluid to be sprayed, using the lowest possible fluidpressure and a grounded metal container. Fig. 5 02053 WARNING PRESSURIZED EQUIPMENT HAZARDTo reduce ...
Page 13 - Operation; Pressure Relief Procedure; Applying the Fluid
308–293 13 Operation Pressure Relief Procedure WARNING PRESSURIZED EQUIPMENT HAZARDThe system pressure must be manually relieved toprevent the system from starting or spraying acci-dentally. To reduce the risk of an injury from acci-dental spray from the gun, splashing fluid, ormoving parts, follow ...
Page 14 - General System Maintenance
14 308–293 Daily Gun Care, Flushing, and Cleaning WARNING PRESSURIZED EQUIPMENT HAZARDTo reduce the risk of a serious injury whenever youare instructed to relieve pressure, follow the Pres-sure Relief Procedure on page 13. CAUTION Clean all parts with a non-conductive solvent, com-patible with the f...
Page 18 - Troubleshooting
18 308–293 Troubleshooting WARNING PRESSURIZED EQUIPMENT HAZARDTo reduce the risk of a serious injury, follow thePressure Relief Procedure on page 13 beforechecking or repairing any part of the gun or sys-tem. PROBLEM CAUSE SOLUTION Fluid flow is fluttering while spraying 1. Fluid nozzle not tight e...
Page 19 - Notes
Page 20 - Service; Items Needed for Service; Disassembly
20 308–293 Service Items Needed for Service Gun Wrench – provided Seal Installation Tool – provided Adjustable Wrench Screw Driver Lubricant part no. 111–265; see Accessories toorder Compatible Solvent NOTE: Gun Repair Kit 236–007 is available. The kit in-cludes the air valve assembly (14), ring pac...
Page 22 - Assembly
22 308–293 Service Assembly 1. Insert the fluid needle (21) through the front of thegun as shown in Fig. 6. Install the new packingassembly (39) by placing them on the end of theneedle tip. Orientate the packings as shown inFig. 6. Fig. 6 21 39 1 Washer U-cup; lips face down Spreader 2 3 1 2 3 2. Pl...
Page 24 - Parts Drawing
24 308–293 Parts Drawing 02025A 12 11 15 16 8 33* 14* 3 13a 34 2 4 32* 25 19 20 13c n 13b 13d n 5 39* 31 n 6 22* 21 1 Ref No. 13Includes items 13a–13d 35 42 1 2 3 4 4 5 6 6 1 1 1 2 7 7 3 8 8 3 21 1 Needle forstandard guns Needle set foroptional guns Lightly lubricate Lightly lubricate threads Torque...
Page 25 - Parts List; Manual Change
308–293 25 Parts List Part No. 236–013 to 236–016, Series BM-1265 Standard HVLP Spray GunWith standard needle, nozzle, and air capIncludes items 1–42 Part No. 236–020 to 236–028, Series BM-1265 Optional HVLP Spray GunWith optional needle, nozzle, and air capIncludes items 1–42 Part No. 236–023 and 2...
Page 26 - Accessories
26 308–293 Accessories Cleaning Brush 105–749For use in cleaning gun Lubricant 111–265One 4 oz. (113 gram) tube sanitary (non-silicone)lubricant for fluid seals and wear areas. 03405 Fluid Tube Kit 236–318Allows air and fluid hoses to bemore easily strapped togetherand eases gun movement bythe opera...
Page 28 - Dimensions
28 308–293 Accessories Low Pressure SST Pressure Tanks For fluid pressures up to 15 psi (104 kPa, 1.0 bar) High Pressure SST Pressure Tanks For fluid pressures up to100 psi (700 kPa, 7 bar) Tank Size gallons (liters) Low Pressure Tank P/N Low Pressure Tank with Agitator P/N High Pressure Tank P/N Hi...
Page 32 - Graco Warranty and Limitation of Liability; Graco Phone Numbers
32 308–293 Graco Warranty and Limitation of Liability WARRANTY Graco warrants all equipment listed in this manual which is manufactured by Graco and bearing its name to be free from defectsin material and workmanship on the date of sale by an authorized Graco distributor to the original purchaser fo...