Kit Parts And Installation; Installing The Pro 5500Hc Conversion Kit - Graco PRO 5500hc Instructions Manual

Part No. 237–300
PRO 5500hc Conversion Kit; To convert the PRO
5500sc spray gun to the PRO 5500hc spray gun;
Includes items 201–204
Ref.
No. Part No. Description
201 237–297 COILED TUBE ASSY.
202 112–644 NUT; nylon; for 1/4" O.D. tube
203 111–285 FERRULE; nylon
204 111–286 FERRULE; nylon
Fig. 34

Installing the PRO 5500hc Conversion Kit

WARNING
PRESSURIZED EQUIPMENT
To reduce the risk of a serious injury,
follow the Pressure Relief Procedure
on page 16 when you stop spraying,
before servicing the gun, and whenever you are
instructed to relieve the pressure.
1. Flush the gun with a compatible solvent.
2. Relieve the system pressure.
3. Prepare the gun for service as instructed on page
28.
NOTE: If the Recirculation Kit 237–302 is being
installed, the manifold must be removed with the gun.
4. Remove the PRO 5500sc gun's fluid tube, fittings,
o-rings, and spacer (B). See Fig. 35.
5. Clean the barrel fluid inlet (A) with compatible sol-
vent. Inspect the barrel fluid inlet for damage and
replace if needed.
6. Slide the coils of the tube assembly (201 or 308–if
installing the Recirculation Kit) over the front of the
gun barrel, until it is past the barrel fluid inlet (A).
See Fig. 36 and 37.
44 308–442

Kit Parts and Installation

201
202
203
204
03933A
7. Position the coiled tube assembly so its threaded
inlet fitting (C) is aligned with the barrel fluid inlet
(A), then tighten the fitting into the inlet as shown
in Fig. 37.
NOTE: If installing the recirculation kit, continue with
step 2 of Installing the Recirculation Kit.
Qty.
8. Slide the nylon nut (202) and ferrules (203 & 204)
1
onto the coiled tube assembly (201). See Fig. 34.
1
9. Install the coiled tube assembly (201) into the fluid
1
1 fitting and tighten the nut (202). See Fig. 37. Make
sure the entire tube is clear of the actuator arm (D)
to avoid having the tube rub against it during op-
eration.
10. Install the gun onto the manifold as instructed on
page 37.
Fig. 35
201
or 308
Fig. 36
A
Fig. 37
A B
C
D 201 202
03934
03935A
03904A