Graco Series A Operation manual

308–609
Rev. A
INSTRUCTIONS-PARTS LIST
INSTRUCTIONS
This manual contains important
warnings and information.
READ AND KEEP FOR REFERENCE.
HEAVY-DUTY STAINLESS STEEL
Drum Agitator
100 psi (7 bar) Maximum Air Input Pressure
Model 238–157, Series A
Back-Geared, Air-Powered Agitator
Model 238–250, Series A
Siphon T ube Kit
Model 231–414, Series A
Siphon Agitator Package
Model 231–413, Series A
Non-Siphon Agitator Package
Table Of Contents
Warnings 2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Parts Drawings 4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Parts Lists 5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Installation 6 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Operation 8 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Service 9 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Technical Data 11. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Dimensional Drawings 11. . . . . . . . . . . . . . . . . . . . . . . . .
Warranty 12 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Graco Phone Number 12. . . . . . . . . . . . . . . . . . . . . . . . . .
GRACO INC. P.O. BOX 1441 MINNEAPOLIS, MN 55440–1441
COPYRIGHT 1995, GRACO INC.
Graco Inc. is registered to I.S. EN ISO 9001
Model 231–414 shown
05771


Symbols
Warning Symbol
WARNING
This symbol alerts you to the possibility of serious injury
or death if you do not follow the instructions.
Caution Symbol
CAUTION
This symbol alerts you to the possibility of damage to or
destruction of equipment if you do not follow the
instructions.
WARNING
INSTRUCTIONS
EQUIPMENT MISUSE HAZARD
Equipment misuse can cause the equipment to rupture or malfunction and result in serious injury .
D
This equipment is for professional use only .
D
Read all instruction manuals, tags, and labels before operating the equipment.
D Use the equipment only for its intended purpose. If you are not sure, call your Graco distributor .
D
Do not alter or modify this equipment.
D Check equipment daily . Repair or replace worn or damaged parts immediately .
D Do not exceed the maximum working pressure of the lowest rated component in your system. This
equipment has a
100 psi (7 bar) maximum working pressure.
D Use fluids and solvents that are compatible with the equipment wetted parts. Refer to the
T echnical Data section of all equipment manuals. Read the fluid and solvent manufacturer ’s
warnings.
D
Always wear protective eyewear , gloves, clothing, and respirator as recommended by the fluid and
solvent manufacturer .
D
Comply with all applicable local, state, and national fire, electrical, and safety regulations.


WARNING
FIRE AND EXPLOSION HAZARD
Improper grounding, poor ventilation, open flames, or sparks can cause a hazardous condition and
result in a fire or explosion and serious injury
.
D
Ground all equipment. Refer to Grounding on page 6.
D If there is any static sparking or you feel an electric shock while using this equipment, shut off the
agitator immediately . Do not use the equipment until you identify and correct the problem.
D Do not use 1,1,1–trichloroethane, methylene chloride, other halogenated hydrocarbon solvents, or
fluids containing such solvents in aluminum pumps. Such use could result in a serious chemical
reaction, with the possibility of explosion.
D Do not use kerosene or other flammable solvents or combustible gases to flush the unit.
D Provide fresh air ventilation to avoid the buildup of flammable fumes from solvents or the fluid
being dispensed.
D Keep the dispensing area free of debris, including solvent, rags, and gasoline.
D Do not smoke in the dispensing area.
MOVING P ARTS HAZARD
Moving parts, such as the rotating blades of the agitator , can pinch or amputate your fingers or other
body parts and can cause splashing in the eyes or on the skin.
D Keep clear of all moving parts when starting or operating the agitator .
D
Always shut of f the agitator and disconnect the air line before you remove the agitator from the
drum or check or repair any part of the agitator .
HAZARDOUS V APORS
Hazardous fluids or toxic fumes can cause serious injury or death if splashed in the eyes or on the
skin, swallowed, or inhaled. When flushing the air motor , keep your face away from the exhaust port.

4308-609
Parts Drawings
Â
Â
05735
03432
DETAIL A
23 (See DET AIL A)
REF 23
1
2*
2*
3
4
4
5
7*
8
9*
10
11
19
12*
13
14*
15*
26
18
16
17
18
6
20
21
22
23a
23b
23c
23d
23e
24
28
31
32
Heavy-Duty Stainless Steel Agitator,
Model 238–157
27
53
50
52
51
54
Â
05736
Siphon Kit, Model 238–250

5308-609
Parts Lists
Heavy-Duty Stainless Steel Agitator, Model 238–157
Ref
No. Part No. Description Qty.
1{101–140
AIR MOT OR 1
2* 191–004
BEARING, needle; 3/4” 2
3 190–988
GEAR, pinion #2 1
4 100–069
BALL, thrust 2
5 191–003
PLUG, top 1
6 190–977 SHAFT
, agitator 1
7* 113–363
SEAL, bearing 1
8 190–983
HOUSING, upper 1
9* 190–980
BEARING, needle; 45mm 1
10 190–989
GEAR #2 1
11 113–357 SCREW
, cap, socket head 2
12* 190–978
BEARING, needle; 50mm 1
13 190–984
HOUSING, lower 1
14* 113–359
SEAL, bearing 1
15* 190–979
BEARING, needle, thrust; 50mm 1
16 190–987
GEAR #1 1
17 190–986
GEAR, pinion #1 1
18 108–161
SET SCREW , cup pt; SST 3
19 113–356 SCREW
, cap, socket head 2
20 191–002
PLUG, bottom 1
21 105–489
PIN, dowel 2
22 112–173
MUFFLER 1
Ref
No. Part No. Description Qty.
23 202–233 VAL
VE, needle
Includes items 23a to 23e 1
23a 159–448
.HOUSING, needle valve 1
23b 159–589 .P
ACKING, o-ring 2
23c 159–449 .VAL
VE, needle 1
23d 101–326 .SCREW
, set 1
23e 156–930
.BARREL, needle valve 1
24 169–969
FITTING, air line, male 1
25 113–358 SCREW
, hex head
(not shown) 3
26 190–976 NUT
; 50 mm 1
27 104–029
LUG, grounding 1
28 190–985
BLADE, agitator 4
30Y
290–152 LABEL, warning 1
31 113–413 SCREW
, cap 8
32 113–414 NUT
, lock 8
{
Air Motor Repair Kit, Part No. 207–335, is available.
* Included in Bearing Replacement Kit 238–251
Y Extra warning labels are available for free.
Siphon Kit, Model 238–250
Ref
No. Part No. Description Qty.
50 238–161
TUBE, siphon 1
51 190–998 RET
AINER, siphon tube 1
52 190–999 NUT
, retaining 1
53 191–000
BEARING; plain 1
54 109–176 O-ring; r
1
Drum Cover Assembly, Model 238–283
See manual 308–466.
PTFE