Graco XHF Instructions And Parts page 11

Includes an xhd rac guard and xhd429 switchtip

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3. Place the gasket (2b) on the valve seat (2a). Grease

the threads of the valve seat (2a) then install into the

fluid housing (22). Torque to 20-25 ft-lb (27-34

N•m). See F

. 13.

. 13

4. Install the spring guide (16) and seat it against the

needle. Loosely thread both setscrews (17) into the

spring guide then alternately and evenly tighten the

setscrews to 10-15 in-lb (1.1-1.6 N•m). Fill the set-

screw cavities with petroleum jelly. See F

. 14

3A2799C

ti19278a

. 14.

ti19279a

5. If the spring (19) was removed, grease the spring

adjuster (20) and place the spring on the adjuster

then drop into the gun body (1). See F

. 15

6. Push the fluid housing (22) onto the gun body (1)

until fully seated. Apply medium strength (blue)

Loctite

or equivalent to setscrew (15). Tighten the

setscrew to 60-75 in-lb (6.8-8.5 N•m). Fill the set-

screw cavity with petroleum jelly. See F

. 16

. 15.

ti19280a

. 16.

ti19272a

Service

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