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 : 886-4-23353202 Fax : 886-4-23352252 E-Mail : gison@seed.net.tw http://www.gison.
Tools Needed You will need the following tools Screw Driver 14mm、16mm Spanner Selection of Dismantling Tools 2mm Hex. Spanner Tools For Disassembling Cylinder Assy. Socket 218027 6.1mm Shaft 218050-3 Fix Stand 7W050-4/218050-1 Bearing Diassembling Shaft 218050-2 Bearing Diassembling Base Bearing Diassembling Base 218050-5 218050-5 Tools For Assembling Cylinder Assy.
Steps Of Dismantling GPW-7 A 2 B 3 11 1 4 12 5 C D 10 9 6 Disassembling Instructions Assembling Instructions Take off Air Regulator (1), Pull out Rubber Glue (2). Loosen Shifting Post (3) and take it off (remember to remove Water Inlet Tube). Unscrew Locking Ring (4) and take off Cylinder Assembly (5). Take out Pad (6). Loosen Locking Screw Cap (9) and take off Spindle Assembly (10). Take off Water Inlet Transfer Pos (11). Take off Oil Seal (12).
(A) Maintenance Of Rubber Glue Unscrew Locking Screw (27) with screw driver and take off Shifting Knob (26). Pull out Rubber Glue (34) gently.
(B) Maintenance Steps For Shifting Post Assy. (B-1) Water Inlet Tube Use Screw Driver to take off Screw (8). Take 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. Screw Driver 32mm Open Spanner 6 Air Inlet Nozzle Assy.
(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.
(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 take 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). Check Spindle Assembly (35~40) again and if it does not spin freely, disassemble and investigate Cylinder Assembly (11~14).
(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). 17 Rear Plate Assy. (15,16) 12 14 11 Front Plate Assy.
(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). Bearing Dissasembling (218050-2) 10 9 9 Bearing Disassembling (218050-5) (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.
(C-4) Assembling Steps For Cylinder Assy. Press Bearing (16) into Rear Cylinder Cap (15). Bearing Compress Shaft (218051-7) 16 15 Front Plate Base (218051-4) 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). Bearing Compress Shaft (218051-5) 11 12 Rear Plate Assy.
Place Cylinder (14) on the assembly shown on Setp 2 and ensure the Spring Pin (13) matches the small Fixed Hole in Rear Cylinder Cap (15). Fixed Holes Bearing Compress Shaft (218051-5) 14 Assembly Shown On Setp 2 Plate Cylinder Cap (10) on the assembly shown on Step 3, press in Bearings (9) using Bearing Compress Shaft (218051-5).
(D) Maintenance Steps For Spindle Assy. Place Socket (218027) on Locking Screw Cap (42) and loosen it using 1/2” Impact Wrench. Take off Spindle Assembly (35~40).
(D-1) Replacing Consuming Parts Use pliers to remove Locking Key (5), take off Bearing (8) and Spiral Gear (7) for changing consuming parts.
