Graco FinishPro CompPack Series, FinishPro CompPack 256850, FinishPro CompPack 25A445, FinishPro CompPack 256854 Repair Manual

Repair

ti12757a

FinishPro CompPack Compressor

- For portable spray applications of fine finish coatings -

120 Vac Model: 256850
240 Vac Model: 256854, 25A445

Maximum Working Pressure: 10 psi (0,07 MPa, 0.7 bar)

Important Safety Instructions

Read all warnings and instructions in the sprayer
manual, 313406. Save these instructions.

313440E

EN

313317

313406

313441

Setup

18

17

20

21

ti13061a

35

A

105

17

20

21

35

ti12857a

ti12798a

A

B

C

ti13082a

ti12797a

Setup

CompPack Installation

For references (1) - (99), see Parts, manual 313406. For
reference numbers(101) - (199) see Parts, page 7.

1. Turn off and unplug sprayer.

2. Loosen four screws (18), remove hose wrap (35), fil
ter retainer (17), pre-filter (20) and main filter (21).

4. Install main filter (21), pre-filter (20), filter retainer (17)
and hose wrap (35) with four screws (105).

Spray Gun with Optional Remote Cup

The optional remote cup comes with two hoses.

1. Connect the short hoses to their matching long
sprayer hoses.

2. Convert spray gun from siphon cup operation to
remote cup operation. See Convert Gun from

Siphon Cup to Optional Remote Cup.

3. Install CompPack (A) on sprayer.

3. Connect air hose (A) to sprayer.
Hand tighten. Do not connect
whip hose direct to sprayer.
Connect whip hose to gun end of
hose only.

4. Connect air hose (A) from
sprayer to inlet fitting of spray gun.

5. Connect air hose (B) between
CompPack outlet and remote cup
air inlet.

2 313440E

Setup

ti13151a

ti13149a

ti13152a

ti12915a

6. Connect fluid supply hose (C) from
remote cup fluid outlet to spray
gun fluid inlet.

7. Fill cup 3/4 full. Install cover.
Screw remote cup cover to secure
it to remote cup.

8. Refer to spray gun manual 313317
for spraying instructions.

Convert Gun from Siphon Cup to Optional
Remote Cup

Pressure Relief Procedure

WARNING

The optional remote cup remains pressurized
until pressure is manually relieved. To reduce
the risk of serious injury from pressurized fluid
or accidental spray from gun, always relieve
pressure in the remote cup before loosening
or removing the cover. Also, relieve pressure
if the fluid nozzle clogs; and before cleaning,
checking or servicing equipment.

1. Turn off sprayer.

2. Unplug sprayer.

3. Turn out pressure relief knob (113) one turn. Wait
until pressure is completely relieved before removing
cover. Close knob.

Operation Tips

1. Remove air pressure tube
from air stem.

2. Remove siphon cup cover
from gun

3. Remove air stem from gun.

4. Apply medium strength
thread locker to set screw.
Install set screw into gun
flush with gun body.

5. Connect fluid supply hose.

Note: To convert from remote cup to siphon cup, reverse
these instructions.

Connect to Electric Supply

Plug sprayer power cord into grounded o utlet. Grou ndin g
and Electric Requirements, page 4, manual 313406.

Sparks can be expected during normal operation of
motor. These sparks can ignite fumes from flammable
liquids, dust particles, and other flammable sub
stances in the spray area.

• Use additional hose if necessary, and ensure the
sprayer is operated in clean, dry, well ventilated
area.

• Never use sprayer inside spray booth.

• Turn sprayer On a few minutes before spraying to
allow warm-up.

• Ensure sprayer filter is clean before operating. Clean
filter, page 7, manual 313406.

• To adjust spray gun pattern, see HVLP EDGE Gun
manual 313317.

• To get proper adhesion, ensure surface is completely
clean.

• If the remote cup is accidentally tipped over or held at
too great of an angle, fluid may leak into air regulator
and cause damage. Take precautions to avoid this. If
fluid does get into regulator, clean immediately.

• Only hand-tighten remote cup cover. Excessive tight
ening may damage cover gasket.

• Always spray with the least amount of pressure
required to provide the desired spray p attern and rate
of application, typically 10 psi. Spraying at pressures
higher than necessary wastes paint and can result in
an orange peel finish.

• Lightly coat cover threads with petroleum jelly.

313440E 3