SERVICE

Resistor￿ Stud￿ Replacement

 

.WARNING-

 

 

3￿

￿sing￿ the￿ wrench￿ supplied￿￿ install￿ the￿ resistor￿ st

 

 

Old/New￿ Style￿ Resistor￿ Stud￿ and￿ Electrode

 

 

 

in￿ the￿ front￿ of￿ the￿ gun￿ barrel￿￿ ￿ighten￿ until￿ snug

 

 

 

 

 

￿o￿ reduce￿ the￿ risk￿ of￿ sparking￿￿ which￿ could￿ cause

 

 

 

 

 

 

4￿ Install￿ the￿ electrode￿ as￿ describedElectrode￿ in￿ ￿ Re/

fire￿ or￿ explosion￿￿ B￿￿ ￿￿￿￿￿ the￿ electrode￿ and￿ stud

placement￿

 

you￿ install￿ are￿ black￿￿ ￿he￿ old￿ style￿ electrode￿ and

 

 

 

stud￿ in￿ the￿ ￿eries￿ A￿D￿ ￿uns￿ were￿ white￿￿ DO￿ NO￿

Install￿ the￿ fluid￿ nozzle￿ and￿ air￿ cap￿ assembly￿

mix￿ old￿ style￿ parts￿ with￿ new￿ style￿ parts￿

￿￿

 

described￿ inClean￿

￿ the￿ Air￿ Cap￿ and￿ Fluid￿￿Nozzle

 

 

 

 

 

 

 

 

 

KEY

 

 

 

 

 

 

 

 

 

 

16

￿esistor￿ ￿tud

 

1￿ ￿emove￿ the￿ air￿ cap￿ assembly￿ and￿ fluid￿ nozzle￿ as￿ de7

 

scribed￿ inClean￿

￿ the￿ Air￿ Cap￿ and￿ Fluid￿￿Nozzle

17

O￿￿ing

 

 

 

 

 

75

Washer

 

2￿ ￿emove￿ the￿ electrode￿ as￿ describedElectrode￿ in￿

 

 

 

Replacement￿

 

 

 

 

7￿

 

 

 

 

 

17

 

3￿ ￿sing￿ the￿ wrench￿ ￿￿9h￿￿ supplied￿￿ unscrew￿ and￿ re7 move￿ the￿ resistor￿ stud￿ ￿1￿￿￿ with￿ the￿ o￿ring￿ ￿17￿￿ and 1￿ washer￿ ￿7￿￿￿￿ ￿ee￿ ￿ig￿ 11￿

￿￿￿ ￿ns￿￿ll￿ ￿￿￿￿ ￿￿s￿s￿￿￿￿ s￿￿￿￿

1￿ Lubricate￿ the￿ o￿ring￿ ￿17￿￿ with￿ petroleum￿ jelly￿ and install￿ it￿ on￿ the￿ resistor￿ stud￿ ￿1￿￿￿

2￿ Install￿ the￿ washer￿ ￿7￿￿￿ in￿ the￿ gun￿ barrel￿

Fig￿ 11

 

307-638 19

Page 19
Image 19
Graco Inc 218-026, 307-638, PRO4000 manual Resistor Stud Replacement