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SprayTECH Apex 2 Serie Manuel De L'utilisateur page 21

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Fluid Section Seal Replacement Instructions
Kit Part Number 0512221A (1420, 1620)
Always wear protective eye wear while servicing the pump. Be sure to follow the Pressure Relief Procedure (page 7)
when shutting the unit down for any purpose, including servicing or adjusting. After performing the Pressure Relief
Procedure, be sure to unplug the unit before servicing or adjusting. Area must be free of solvents and paint fumes.
Disassembly of the Fluid Section
1. Remove the suction set.
2. Remove the front cover and the four screws that secure it
using a T20 Torx head driver.
3. Remove the yoke screw and washer that secures the dowel
pin. The dowel pin connects the yoke to the piston.
4. Using a pliers, pull the dowel pin out.
5a. For models 1420 and 1620, rotate the pump shaft so the
piston is in the top dead center position. This can be done
by pushing on the yoke. This is required to disassemble all
the parts.
5b. For models 1720 and 1920, inspect the yoke assembly
and piston. In order to remove all the necessary parts, the
piston must not be in the bottom dead center position. If
the piston is at the bottom of the stroke, install the front
cover and screws, turn the pump on briefly to index the
piston, unplug the unit, and repeat step 2.
6. Unscrew and remove the inlet valve assembly (see page 20).
7. Remove the piston assembly by pushing down on the
piston near the yoke.
8. Unscrew and remove the top nut using and adjustable
wrench.
9. Remove the worn seals using a flat head screwdriver or
punch. Remove the top seal from the top and the bottom
seal from the bottom by pressing against the side of the
seal and popping it out. Be sure not to scratch the housing
where the seals are located.
10. Clean the area where the new seals are to be installed.
Assembly of the Fluid Section
1. Lubricate the new top seal with Separating Oil (P/N
0516915) or light household oil and by hand place the seal
(cup side of seal down) into the top port of the housing.
2. Place a small amount of anti-seize on the threads of the top
nut. Place the top nut into the top of the housing and
tighten with an adjustable wrench. This will drive the top
seal into the correct position.
3. Turn the pump upside down.
Lubricate the seal on the
piston/seal assembly similar to
the top seal. Place the
piston/seal assembly into the
bottom of the housing. Insert
the plastic insertion tool and
thread into position to properly
seat the piston/seal. Thread
fully until tight. Remove the
insertion tool.
4. Install the new O-ring on the inlet valve assembly, lubricate
with Separating Oil (P/N 0516915), thread into the bottom
All manuals and user guides at all-guides.com
21
Kit Part Number 0516725 (1720, 1920)
(inlet) of the housing, and tighten with an adjustable wrench.
This will drive the bottom seal into the correct position.
5. Align the piston with the yoke. Be careful not to damage
the piston.
6. Apply any type of household grease to the piston and yoke
area to prolong life. Apply to the holes in the yoke where
the dowel is inserted.
7. Install the dowel pin to connect the yoke to the piston. The
piston may have to be moved up or down to do this.
8. Install the yoke screw and washer to secure the dowel pin.
9. Turn pump right side up and apply a few drops of
Separating Oil or light household oil between the top nut
and piston. This will prolong the seal life.
10. Install front cover and four (4) screws.
11. Replace inlet valve. Install the suction set.
NOTE - DO NOT attempt
Insertion
to remove the seals from
tool
the piston.
0512221A kit
Top nut
(1420 and
1620)
Top seal
(cup
0516725 kit
down)
(1720 and
1920)
Yoke
Screw
Dowel
Washer
Piston/seal
0512221A kit
assembly
(1420 and
1620)
0516725 kit
(1720 and
1920)
O-ring
Inlet valve assembly
English

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Ce manuel est également adapté pour:

Apex 2 1420Apex 2 1620Apex 2 1720Apex 2 1920