Gison GPW-7 User manual

GPW-7
Pneumatic Waterfed Sander
Maintenance Manual
GISON MACHINERY CO., LTD
No.2, Alley 105, Lane 68, Sec. 2,
Sinan Rd., Wurih, Taichung 414, Taiwan
Tel [phone]
Fax [phone]
E-Mail [e-mail]
http //www.gison.com

1
Tools Needed
You will need the following tools
 Screw Driver  14mm、16mm Spanner  2mm Hex. Spanner
 Selection of Dismantling Tools
Tools For Disassembling Cylinder Assy
Soc et Fix Stand Bearing Diassembling Shaft
218027 7W050-4/218050-1 218050-2
6.1mm Shaft Bearing Diassembling Base Bearing Diassembling Base
218050-3 218050-5 218050-5
Tools For Assembling Cylinder Assy
Rotor Disassembling Shaft Oil Compress Shaft Front Plate Base
218051-2 218051-3 218051-4
Bearing Compress
Shaft 1 Rear Plate Base Bearing Compress Shaft 3
218051-5 218051-6 218051-7
Tools For Assembling & Dissassembling
Special Spanner 36mm Open Spanner 32mm Open Spanner
7W050-1 7W050-2 7W050-3

2
10
12
11
6
9
5
4
3
1
2
Steps Of Dismantling GPW-7
Disassembling Instructions Assembling Instructions


 Ta e off Air Regulator (1), Pull out
Rubber Glue (2).


 Loosen Shifting Post (3) and ta e it
off (remember to remove Water Inlet
Tube).


 Unscrew Locking Ring (4) and ta e
off Cylinder Assembly (5).


 Ta e out Pad (6).


 Loosen Locking Screw Cap (9) and
ta e off Spindle Assembly (10).


 Ta e off Water Inlet Transfer Pos
(11).


 Ta e off Oil Seal (12).


 Assemble Spindle Assembly (10)
and tighten Locking Screw Cap (9).


 Put Cylinder Assembly (5) in the
Housing.


 Tighten Locking Ring (4) and
Shifting Post (3) (with Water Inlet
Tube).


 Cover the Shifting Post with Rubber
Glue (2).


 Place Oil Seal (12) and Water Inlet
Transfer Pos (11) in the correct
position.


 Load Pad (6).


 WARNING ！
！！
！
Please follow above Disassembling and Assembling Instructions; otherwise the
Oil Seal (12) may be broken. It will cause water leaking and damage the tool.
A
B
C
D

3
(A) Maintenance Of Rubber Glue
 Unscrew Locking Screw (27) with screw driver and ta e off
Shifting Knob (26).
 Pull out Rubber Glue (34) gently.
27
26
34
Screw Driver

4
7
6
21
8
Air Inlet Nozzle
Assy. (32 33)
28
32mm Open Spanner
Screw Driver
(B) Maintenance Steps For Shifting Post Assy
(B-1) Water Inlet Tube
 Use Screw Driver to ta e off Screw (8).
 Ta e out Water Inlet Tube (6) and Water Inlet Transfer
Pos (7).
 To replace Water Cock (28) or Air Inlet Nozzle Assy
(32,33) :
a) fix Shifting Post (21) by using 32mm Open Spanner
(5W050-3).
b) unscrew Air Inlet Nozzle Assy (32,33) with 16mm open
spanner.
c) unscrew Water Cock (28) with 14mm open spanner.

5
32mm Open Spanner (7W050-3)
36mm Open Spanner (7W050-2)
Fix Stand
(7W050-4)
Housing
21
(B-2) Shifting Post
 Place the Fix Stand (7W050-4) on table, and fix Housing on
the Fix Stand (7W050-4).
 Loosen Shifting Post (21) using 32mm Open Spanner
(7W050-3).
Caution :
When tighten Shifting Post (21), use 36mm Open Spanner
(7W050-2) to adjust the Locking Ring (20), for controlling
the direction of shifting post.

6
Fix Stand
(7W050-4) 2mm
Hex. Spanner
Cylinder Assembly
(11~14)
18
Special Spanner
(7W050-1)
(C) Maintenance Steps For Cylinder Assy
 After disassembling the Shifting Post (21), use Special Spanner
(7W050-1) to loosen Locking Cap (18).
 Loosen screw using 2mm Hex. Spanner and ta e out Cylinder
Assembly (11~14).
Caution :
When reassemble Cylinder Assembly (11~14), rotate the
Spindle Assembly (35~40) by hand to see if it spins smoothly
and tighten Locking Cap (18). Chec Spindle Assembly
(35~40) again and if it does not spin freely, disassemble and
investigate Cylinder Assembly (11~14).

7
Rotor Disassembling
Shaft (218051-2)
Cylinder Assembly
(11~14)
Fix Stand
(218050-1)
11
Exploded View
Rear Plate Assy.
(15 16)
Front Plate Assy. (9 10)
12
14
17
(C-1) Replacing Consuming Parts
 Put Cylinder Assembly (11~14) on Fix Stand (218050-1).
 Place Rotor Disassembling Shaft (218051-2) on top of
Cylinder Assembly (11~14), use hand presser to disassemble
(Exploded View) and change Blades (12).

8
Bearing
Disassembling
Shaft (218050-2)
Bearing Disassembling
Base (218050-5)
16
15
6.1mm Shaft (218050-3)
(C-2) Steps For Dismangling Front Plate Assy
Place Front Plate Assembly (9,10) on Bearing Disassembling
Base (218050-5) and use Bearing Disassembling Shaft
(218050-2) to separate Cylinder Cap (10) and Bearing (9).
(C-3) Dismangling Steps For Rear Plate Assy
Put Rear Plate Assembly (15,16,52) on Bearing Disassembling
Base (218050-5) and use Bearing Disassembling Shaft
(218050-2) and 6 1mm Shaft (218050-3) to separate Rear
Cylinder Cap (15) and Bearing (16).
Bearing Disassembling
(218050-5)
9
9
Bearing Dissasembling
(218050-2)
10

9
Front Plate Base
(218051-4)
15
16
Bearing Compress
Shaft (218051-7)
Rear Plate Base
(218051-6)
Rear Plate Assy.
(15 16)
11
Bearing Compress
Shaft (218051-5)
12
(C-4) Assembling Steps For Cylinder Assy
 Press Bearing (16) into Rear Cylinder Cap (15).
 Place Rear Plate Assembly (15,16) on Front Plate Base
(218051-6), press Bearing Compress Shaft (218051-5) into
Rotor (11) and press it into Rear Plate Assembly
(15,16).Place 4 Blades (12) into the groove of Rotor (11).