Gebruiksaanwijzing /service van het product 311051D van de fabrikant HP (Hewlett-Packard)
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311051D Instr uctions - P ar ts A utomatic XT Spra y Guns Airs pra y , HVLP , and Comp liant guns f or spra ying paints and coatings. See page 3 f or model inf or mation.
Related Manua ls 2 311051D Contents Related M anuals . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 Models . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 W arnings . . . . . . . . . . . . . . . . . . . . . . . . . . .
Models 311051D 3 Models * Hardened SST needle tip/nozzle (n ot recommended f or thin fluids). All other models ha ve PEEK needle tip . A manif old is required for ea ch gun to be installe d. Ref er to the Par ts section f or manif old inf or mation. Orifice Size in.
Warnings 4 311051D Wa r n i n g s The f ollowing w arnings are fo r the setup , use , grounding, maintenance, and repair of this equipment. The e xclama- tion point symbol alerts you to a gener al warning and the hazard sym bol ref ers to procedu re-specific risk.
Warnings 311051D 5 T O XIC FLU ID OR FUMES HAZARD T o xic fluids or fu mes can cause serious injur y or death if splashed in the ey es or on skin, inhaled, or s wallow ed.
Selection Charts 6 311051D Selection Char ts TERMS: Light Fluid: Up to 18 seco nds with No. 2 Zahn cup (20 centipoise) Medium Fluid:19 to 28 seconds with No . 2 Zahn cup (20-64 centipoise) Heav y Fluid:Greater than 28 second s with No . 2 Zahn cup (gre ater than 64 cen tipoise) -- 2.
Selection Charts 311051D 7 Compliant Spra y Gun Assemblies * Hardened SST needle tip/nozzle (n ot recommended f or thin fluids). All other models ha ve PEEK needle tip . † With Fluid Control Knob (f or fine adjustment of fluid flo w). Airspra y Gun Assemblies * Hardened SST needle tip/nozzle (n ot recommended f or thin fluids).
Selection Charts 8 311051D Pr oper Needle/Nozzle Selection The spra y gun's needle/nozzle kits range in siz e to pro- vide different fluid flow r ates. As a general guideline, use th e fluid nozzle that will give the required flo w with the needle fully triggered at a fluid pressure of 5-20 psi (0.
Air Flow 311051D 9 Air Flo w All tests were completed with the 0.055 in. (1.4 mm) nozzle and stand ard air cap f or each gun model. F IG . 1: HVLP Gun Air Cap Pres sure F IG .
Installation 10 311051D Installation The A utomatic XT spr a y guns were designed t o produce the highest quality finish with toda y's fluids as well as the low V .
Installation 311051D 11 Install Air Fittings 1. Install the sup plied 1/4 in. tube fitting into the cylin - der (CYL) air port. 2. Install 3/8 in. tu be fittings into the atomiza tion (A TOM) air por t and the f an (F AN) air por t. Gr ound System The f ollowing g rounding instructions are minimum requirements f or a system.
Installation 12 311051D Mount Gun Reciprocating Arm Rod Mount T o mount the gun on a reciprocating a rm rod [0.5 in. (13 mm) diameter maxim um]: 1. Insert the mounting bar (A) thr ough the hole in the manif old as show n in F IG . 5. 2. Secure the gun to the bar b y tightening the mount- ing screw (B).
Setup 311051D 13 Setup Connect Air Line 1. F or manif olds with a separate A TOM and F AN por t, the gun cylinder , f an, and atomization air m ust be supplied and regulate d separat ely . For th e manual f an v alve manif old, only one supply line is required f or both atomiza tion and f an air .
Setup 14 311051D Flush Spra y Gun Bef ore running any paint t hrough the spr a y gun: 1. Flush the gun with a solv ent that is compatible with the fluid to be sp ra y ed, using the lo west possible fluid pressure and a g rounded metal co ntainer . 2. P erf orm Pressure Relief Pr ocedure ; see page 17.
Setup 311051D 15 Adjust Spra y P attern The spra y gun fluid flow is controlled b y the fluid pre s- sure regulator and t he fluid control knob . Use the fluid pressure regula tor to adjust the general fluid flow and the fluid control kn ob to make precise fluid flow adjust- ments .
Setup 16 311051D 3. T est the spra y pattern atomization while keep ing the gun a consistent distance , about 6 to 8 inches (150 to 200 mm), from the test piece. Check the atomizatio n quality . Increase the gun atomizing air supply pr essure with the air pressure regulator in 5 psi (34 kP a, 0.
Operation 311051D 17 Operation Pressure Relief Pr ocedure 1. T ur n off all bl eed type air v alv es and all other air and fluid supplies to th e gun. 2. T r igger the gun int o a grounded metal waste con - tainer to relie v e air and flu id pressure.
Daily Gun Care 18 311051D Dail y Gun Care CA UTION Meth ylene chloride with f ormic or propionic acid is not recommended as a flushing or cleaning solv ent with this gun as it will damage aluminum and nylon compo- nents . CAUTION Solv ent left in gun air passages could result in a poor q uality paint finish .
Daily Gun Care 311051D 19 General System Maintenance •P e r f o r m Pressure Relief Pr ocedure , page 17. • Clean the fluid and air line f ilters daily . • Chec k f or any f luid leakage from the gun and fluid hoses. Tighten fittings or replace equipment as needed.
Troubleshooting 20 311051D T roub leshooting General T roub leshooting Check all possib le remedies in the troub leshooting char ts bef ore disassemb ling the gun. Some improper patte r ns are caused b y the improper balance be tween air and fl uid. Ref er to Spray P attern T rouble shooting , page 22.
Troubleshooting 311051D 21 Fluid needle will not trigger . Loos e or missing fluid needle stop (29) or setscrew (30). Air leaking around piston (3). Swollen piston o-ring (8). Insufficient air pressure on trigger . Plug (19) is in incorr ect fluid por t.
Troubleshooting 22 311051D Spra y P attern T r oub leshooting Prob lem C ause Solution Fluid flow is flutter ing while spraying. Fluid nozzle is not tight eno ugh. O-ring (36) is missing or damaged. Fluid filter is clogged. Tighten flui d nozzle to 60 in-lb (6.
Service 311051D 23 Service Items Needed f or Service • 1/16 in. He x Wrench - pro vided •3 m m H e x W r e n c h • Adjustab le Wrench •4 m m H e x W r e n c h • Pliers • Lubricant par t no . 111265; see Accessories , page 33, to order • Compatib le Solv ent Replace Fluid P ac kings and Air Seals 1.
Service 24 311051D 13. Remove all o-r ings from the piston (3) a nd stems (T). Chec k that the stems are so lidly in place. If th ey are loose, replac e the entire piston asse mbly (3). 14. P erf or m the f ollowing applicab le step: a. Non-circulating guns: Remo v e the fluid ou tlet por t plug (19) , and gask et (22 ) from the fluid housing (2).
Service 311051D 25 Reassembl y 1. Non-circulating guns only: L ubricate the bac kup ring (20†) and o-ring (21†) and install them on the fluid outlet por t plug (19). Install the plug in the fluid out- let por t of the fluid ho using (2). See F IG .
Parts 26 311051D Pa r t s F IG . 22 SERVICE NOTES: Torque to 35-45 in-lb (4.0-5.1 N•m) Lubricate threads with anti-seize lubricant Lubricate with light-weight oil Tighten cap (4) until it bottoms out Apply semi-permanen t anaerobic sealant Torque to 4-5 in-lb (0.
Parts 311051D 27 Pa r t s ★ See spra y gun assemb lies t able (p age 28) f or par t number . † Included in Flu id Seal Repair Kit 288135. * Included in Air Seal Re pair Kit 288171.
Parts 28 311051D Spray Gun Assemb l ies (all models) * Guns with stainless steel needle tip , which is not r ecommended f or thin fluids . † Guns with Fluid Control Knob . Gun P art No. Needle/Nozzle Kit Includes items 5 & 23 Item 5 Needle Assy .
Parts 311051D 29 P art No. 288221 Manif old with bo ttom fluid por ts ❄ Not shown. Ref. No. P ar t No. Description Qty . 101 MANIFOLD , bottom fluid ports 1 103 120388 FITTING, tube, air inlet; 1/4 in. OD tube x 1/8 npt(m) 1 105 114246 SCREW , set; 5/16;0.
Parts 30 311051D P art No. 288217 Nor th America Manifold with side fluid por ts P art No. 288218 International Manif old with side fluid ports ❄ Not shown. ❖ P art No. 288 217 only . ◆ P ar t No . 2882 18 only . Ref. No. P ar t No. Description Qty .
Parts 311051D 31 P art No. 288223 Nor th America Manifold with side fluid por ts and f an adjustment valve ❄ Not shown. Ref. No. P art No. Descriptio n Qty . 101 196559 MANIFOLD , f an adju stabl e 1 102 243949 V AL VE, f an, assy . 1 103 120388 FITTING, tube , air inlet; 1/4 in.
Parts 32 311051D P art No. 288160 Rear P or t Manifold, Nor th Ame rica P art No. 288211 Rear P ort Manifold, International ❖ P art No. 288 160 only .
Accessories 311051D 33 Accessories Cleaning Brush 105749 F or use in cleaning gun. Lubricant 111265 One 4 oz. (113 gram) tube sa nitary (non-silicone) lubr i- cant f or fluid seals and w ear areas .
Dimensions 34 311051D Dimensions F IG . 28 TI8181a TI8104a 2.0 in. (50.8 mm) 5.3 in. (134.6 mm) Part No. 249407 Gun Shown 3.86 in. (98 .0 m) 3.0 in. (76.2 mm) 1.395 in. (35.43 mm) 2.76 in. (70.1 mm) 6.41 in. (162.81 mm) with fluid control knob 0.5 in.
Mounting Hole Layout 311051D 35 Mounting Hole La y out F IG . 29: Manif old Mounting Hole Lay out TI8107a TI8181a 0.4 in. (10.2 mm) Two M5 x 0.8 x 0.25 in. (6.3 mm) holes 0.805 in. ( 20.5 mm) 0.187 in. (4.8 mm) 1.375 in. (35 mm) 1.750 in. (44.5 mm) Two 0.
Mounting Hole Layout 36 311051D Mounting Hole La y out F IG . 30: Mounting Hole La y outs TI8177a Rear Port Manifold Retrofit Adapter Plate Gun with Retrofit Adapter Plate TI8178a 2.007 i n. (50.98 mm) 1.375 i n. (34.93 mm) 0.736 in. (18.69 mm) TI8226a 2.
Technical Data 311051D 37 Te c h n i c a l D a t a Loctite ® is a registere d trademark of th e Loctite Cor poration. T rigg ering Speed These v alues apply to a ne w gun with a 12 ft. (3. 6 m), 1/4 in. (6.3 mm) OD cylinder air line and a 0.055 in. nozzle .
All written and visual data contained in this document reflects the latest product information available at the time of publica tion. Graco reserves the right to make changes a t any time without notice. This manual contains English. MM 311051 Graco Headquarters: Minneapolis International Offices: Belgium, China, Japan, Korea GRACO INC.
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