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Operation 

4

309495L

Operation

Pressure Relief Procedure

Follow the Pressure Relief 

Procedure whenever you see this 

symbol.

1.

Turn sprayer 

OFF

.

2.

Engage the trigger lock. Always engage 

the trigger lock when sprayer is stopped 

to prevent the gun from being triggered 

accidentally.

3.

Turn pressure control knob to lowest 

setting.

4.

Put drain tube into a waste pail and turn 

Prime/Spray valve in PRIME position 

(drain) to relieve pressure. 

5.

Hold the gun firmly to a pail. Point gun 

into pail. Disengage the trigger lock and 

trigger the gun to relieve pressure.

6.

Engage the trigger lock. 

7.

If you suspect the spray tip or hose is 

clogged or that pressure has not been 

fully relieved:
a.

VERY SLOWLY loosen the tip 

guard retaining nut or the hose end 

coupling to relieve pressure 

gradually.

b.

Loosen the nut or coupling 

completely.

c.

Clear airless hose or spray tip 

obstruction. See 

Clear Tip Clog

page 7.

Gun Trigger Lock

This equipment stays pressurized until 

pressure is manually relieved. To help 

prevent serious injury from pressurized fluid, 

such as skin injection or splashed fluid, follow 

the

 Pressure Relief Procedure

 whenever 

sprayer is stopped and before sprayer is 

cleaned or checked, and before equipment is 

serviced.

ti29239a

To prevent injury when the gun is not in 

use, always engage the gun’s trigger lock 

if unit is being shut down or left 

unattended.

ti29240a

Summary of Contents for Inline HD 17Y907

Page 1: ...Pa 280 bar Maximum Working Pressure Ball and valve needle abrasive material compatible Model 17Y907 1000 psi 6 9 MPa 69 bar Maximum Working Pressure Important Safety Instructions Read all warnings and...

Page 2: ...ended or not in use and before servicing cleaning or removing parts Check hoses and parts for signs of damage Replace any damaged hoses or parts This system is capable of producing 4000 psi Use Graco...

Page 3: ...safety hazards Make sure all equipment is rated and approved for the environment in which you are using it PRESSURIZED ALUMINUM PARTS HAZARD Use of fluids that are incompatible with aluminum in pressu...

Page 4: ...If you suspect the spray tip or hose is clogged or that pressure has not been fully relieved a VERY SLOWLY loosen the tip guard retaining nut or the hose end coupling to relieve pressure gradually b L...

Page 5: ...make certain spray tip and tip guard are installed properly 1 Perform Pressure Relief Procedure page 4 2 Engage trigger lock 3 Verify spray tip and tip guard parts are assembled in the order shown a...

Page 6: ...rface Move gun first then pull gun trigger to spray a test pattern 4 Slowly increase pump pressure until coverage is uniform and even see sprayer instruction manual for additional information 5 Period...

Page 7: ...difficult to rotate when turning to the unclog position perform Pressure Relief Procedure page 4 then turn Prime Spray valve to spray position and repeat step 1 2 Engage trigger lock Rotate spray tip...

Page 8: ...does flow or spray gun is not assembled properly or trigger lock is damaged Reassemble gun or take to your nearest Graco distributor Do not use the gun until problem is corrected Valve Adjustment Tri...

Page 9: ...lb 35 3 43 4 N m Apply lithium base grease to threads Apply lithium base grease When removing fluid hose use wrench on end of fluid tube assembly 19 hex to avoid loosening fluid tube assembly 19 Torqu...

Page 10: ...o threads on valve seat 35 Torque valve seat into gun body 17 to 26 32 ft lb 35 3 43 4 N m 16 Lubricate and install spring 4 and spring retainer threads 21 in gun body 17 17 Insert a 1 8 inch hex alle...

Page 11: ...ding trigger lock 15 in place install gun handle 14 Secure gun handlewith screws 9 Torquescrewsto 6 10 in lb 7 9 9 0 N m 11 Install fluid tube assembly 19 through gun handle 14 and screw it into gun b...

Page 12: ...c 1 15 188232 LOCK trigger 1 16 15Y469 COVER gun 1 17 15A977 HOUSING fluid stainless steel 1 19 24B570 KIT fluid tube swivel assembly 1 20 188246 LINK 1 21 188247 SCREW spring adjustment 1 24 236234 S...

Page 13: ...nless steel 1 19 24B570 KIT fluid tube swivel assembly 1 20 188246 LINK 1 21 188247 SCREW spring adjustment 1 24 236234 STEM valve 1 27 188271 RETAINER seal 1 28 188275 Housing spring 1 29 237604 TRIG...

Page 14: ...Metric Maximum working pressure 1000 psi 6 9 MPa 69 bar Outlet port size 7 8 14 Inlet port size 1 2 npt f Valve orifice with carbide ball 0 19 in 0 25 in 4 83 mm 6 35 mm Dimensions Height 5 60 in 142...

Page 15: ...s of parts labor and transportation THIS WARRANTY IS EXCLUSIVE AND IS IN LIEU OF ANY OTHER WARRANTIES EXPRESS OR IMPLIED INCLUDING BUT NOT LIMITED TO WARRANTY OF MERCHANTABILITY OR WARRANTY OF FITNESS...

Page 16: ...olis International Offices Belgium China Japan Korea GRACO INC AND SUBSIDIARIES P O BOX 1441 MINNEAPOLIS MN 55440 1441 USA Copyright 2002 Graco Inc All Graco manufacturing locations are registered to...

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