Graco 306287 Manuale operativo
306287
Rev. R
First choice when
quality counts.
t
06523
06529
INSTRUCTIONS-PARTS LIST
INSTRUCTIONS
This manual contains important
warnings and information.
READ AND KEEP IT FOR REFERENCE.
Elevators and Pump Supports
200 psi (14 bar) Maximum Air Input Pressure
Refer to page 2 for a List of Models.
Table of Contents
List of Models 2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Warnings 3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Installation 4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Operation 6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Service 7. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Parts 8. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Dimensions 15. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Graco Warranty 16. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Toll-Free Graco Phone Number 16. . . . . . . . . . . . . . . . .
GRACO INC. P.O. BOX 1441 MINNEAPOLIS, MN 55440–1441
ECOPYRIGHT 1998, GRACO INC.
Graco Inc. is registered to I.S. EN ISO 9001
2 306287
List of Models
ELEVATORS
Part Number Series Description
Parts List
page
204385 CStandard Elevator with Fixed Mounting 8
206231 B Standard Elevator with Movable Mounting 8
207408 B Heavy Duty Elevator with Fixed Mounting 8
237746 A Elevator Assembly, includes 204385 Elevator, 237578 Cover Support,
and 237579 Air Control Kit
12
237747 A Elevator Assembly, includes 206231 Elevator, 237578 Cover Support,
and 237579 Air Control Kit
12
241663 A Elevator Assembly, includes 204385 Elevator, 207562 Cover Support,
and 207561 Air Control Kit
12
PUMP SUPPORTS
Part Number Series Description
Parts List
page
206232 AFrame Support (open mounting) 10
207562 ARing Support (cover mounting) 10
237578 ARing Support (cover mounting) 12
AIR CONTROL KITS
Part Number Series Description
Parts List
page
207561 AFor use with Supports 206232 or 207562 10
237579 AFor use with Support 237578 12
306287 3
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.
This equipment is for professional use only.
Read all instruction manuals, tags, and labels before operating the equipment.
Use the equipment only for its intended purpose. If you are uncertain about usage, call your Graco
distributor.
Do not alter or modify this equipment. Use only genuine Graco parts and accessories.
Check equipment daily. Repair or replace worn or damaged parts immediately.
Do not exceed the maximum working pressure stated on the equipment or in the Technical Data
for your equipment. Do not exceed the maximum working pressure of the lowest rated component
in your system.
Always wear protective eyewear, gloves, clothing and respirator as recommended by the fluid and
solvent manufacturer.
Wear hearing protection when operating this equipment.
Comply with all applicable local, state, and national fire, electrical, and safety regulations.
MOVING PARTS HAZARD
Moving parts, such as the air motor piston and elevator, can pinch or amputate your fingers.
Keep clear of all moving parts when starting or operating the pump.
Keep hands and fingers away from the elevator, pump support, drum cover, and the lip of the drum
during operation and whenever the pump or elevator is charged with air.
Before servicing the equipment, relieve the air pressure to the elevator and follow the Pressure
Relief Procedure in your separate pump manual to prevent the equipment from starting unexpect-
edly.
4 306287
Installation
General Information
NOTE: Reference numbers and letters in parentheses
in the text refer to the callouts in the figures and the
parts drawing.
NOTE: Always use Genuine Graco Parts and Acces-
sories, available from your Graco distributor. If you
supply your own accessories, be sure they are ade-
quately sized and pressure rated for your system.
WARNING
To reduce the risk of serious injury, including fluid
injection, splashing in the eyes or on the skin, or
injury from moving parts:
1. Always relieve air and fluid pressure in the
pump before raising the elevator.
2. Keep your fingers and hands away from mov-
ing parts when raising or lowering the elevator
to prevent pinching or amputating them includ-
ing between the drum and pump mounting
assembly.
3. When the pump is in the raised elevator posi-
tion, do not leave it unattended. Keep air
supplied to the elevator. Block the pump, drum
cover or pump support bracket before working
on the pump.
4. Before working on the elevator, remove the
pump and relieve air pressure to the elevator.
Moveable Stand Mount Elevator
Locate the elevator where there is at least a 9 ft
(2.75 m) overhead clearance. Install the four
stabilizers (23) as shown in Fig. 1. Secure in place with
the setscrews (1).
Fixed Mount Elevator
Locate the elevator where there is at least 9 ft (2.75 m)
overhead clearance. Mark and drill holes for 0.5 in.
(13 mm) mounting bolts. See Fig. 2 and the dimen-
sional drawing on page 15. Level the base (17), using
shims if necessary. Secure the base to the floor using
four 1/2 in. (13 mm) mounting bolts which are long
enough to prevent the elevator from tipping.
Fig. 1
40
14 or 28
1
17 or 22
23
Fig. 2
Level
0.5” (13 mm) bolt
Shim
0.25”
(6.4 mm)
93.5”
(2375 mm)
306287 5
Installation
Pump Support Bracket
Set an open drum against the elevator base (17 or 22).
Position the bracket (40) on top of the drum so that the
clamp (34) recesses are tight against the elevator riser
tube (14 or 28). See Fig. 1 and Fig. 3. Raise the riser
tube up about 0.25 in. (6.4 mm), install the clamps (34)
and tighten securely. Attach the pump mounting brack-
ets (38).
Pump Support
Ref. No. 31
Fig. 3 06528
38
40 34
Cover Support
Place the cover in its proper position in the support
ring (49) and tighten the capscrews (45). Set an open
drum against the elevator base (17 or 22) and put the
cover on the drum so the support clamp (44) recesses
are tight against the elevator riser tube (14 or 28).
Raise the tube 0.25 in. (6.4 mm), then tighten the
clamp screws (42). See Fig. 4.
Fig. 4
06529
17 or 22
44, 42
14 or 28
49, 45
48
45
49
Air Connection
Screw the restrictor valve (55) into the push-pull valve
(60) as shown in Fig. 5. Mount the valve on the wall at
a convenient height, using the mounting bracket (54).
Connect the master air supply to the valve. Screw the
elbow fitting (52) into the 1/8 npt(f) inlet of the restrictor
valve. Push one end of the copper tube (51) into the
elbow and tighten the fitting. Screw the straight fitting
(53) into the base (17 or 22) of the elevator. Push the
other end of the copper tube (51) into this fitting and
tighten the fitting.
NOTE: With the moveable stand mount elevator, the
air control valve must exhaust air to enable the eleva-
tor to lower.
Fig. 5
Push-Pull Valve
Ref. No. 60
06531
54
51
52
55
60
6 306287
Operation
Starting and Adjusting the Elevator
You must adjust the elevator to ensure that the cover
is supported by the drum.
Close all air regulators and air valves.
Open the main air bleed valve. Pull up on the air
control valve and let the elevator rise to its full
height. Normal operation requires only a few sec-
onds for air pressure to build up or exhaust, and to
start raising or lowering the elevator.
Set a full 200 liter (55 gal.) drum against the eleva-
tor base.
WARNING
MOVING PARTS HAZARD
Moving parts can pinch or amputate your
fingers. When the pump is operating and
when raising or lowering the elevator,
keep your fingers and hands away from the eleva-
tor, pump support, drum cover, and lip of the drum.
With your hands away from the drum and the cov-
er, push down on the air control valve and lower
the elevator until the cover rests on the lip of the
drum. The support clamp recesses must be tight
against the elevator riser tube.
5. Raise the elevator 1.4 in. (6.4 mm), then tighten
the support clamp screws. This ensures that the
cover rests on the drum lip when the elevator is in
the lowered position.
6. Before operation, ensure that all fasteners and
tube connections are tightened securely.
NOTE: To increase or decrease the operating speed of
the elevator, loosen the hex nut of the restrictor valve
and turn the valve needle either in or out.
Changing Drums
WARNING
MOVING PARTS HAZARD
Moving parts can pinch or amputate your
fingers. When the pump is operating and
when raising or lowering the elevator,
keep your fingers and hands away from the eleva-
tor, pump support, drum cover, and lip of the drum.
CAUTION
Shortened or recycled drums may cause the pump
or agitator to bottom out in the drum, causing dam-
age. Contact your fluid supplier to order a standard
size drum.
Stop the pump. Close the pump air bleed valve.
Pull up on the air control valve to raise the eleva-
tor.
Remove the empty drum and place the full drum
against the elevator base.
Lower the elevator as explained at left.
306287 7
Service
Lubrication
Every two to six weeks, take the cap (20) of f the riser
tube (14 or 28) and put a few drops of light, high grade
motor oil on the inside surface of the tube to lubricate
the leather packing (10). See Fig. 6. When replacing
the cap, torque to 20–40 ft-lb (37–54 NSm).
CAUTION
Be careful not to dent or damage the riser tube (14
or 28). Dents may cause the elevator to bind, making
operation impossible.
Fig. 6
20
19
25
17 or 22
21
5
4
8
10
9 or 18 12 or 24
13 or 29
14 or 28
1
3
4
2
1
Torque to 20–40 ft–lb (27–54 NSm)
2
Torque to 90–130 ft–lb (122–175 NSm)
3
Torque to 15–20 ft–lb (20–27 NSm)
4
Torque to 30–60 ft–lb (40–80 NSm)
5
5
Apply lubricant to inside surface
6
6
Apply tape
7
7
Apply LoctiteR 56765 Sealant to threads
7
Seals and Gaskets
To replace the leather cup packings (10), screw the
bearing housing (25) out of the riser tube (14 or 28)
and slide the tube up off the piston (11). See Fig. 6.
Screw the piston retainer capscrew (21) out of the
piston body and remove the parts. Inspect parts for
wear and damage and replace as necessary.
NOTE: When replacing packings, install a new
spreader (5). This will increase the life of the packings.
Soak new leather packing (10) in light oil, and put
lithium grease on the inside surface of the tube. Re-
assemble in the reverse order. Apply LoctiteR 56765
thread sealant to the internal threads of the piston
body (11) and the threads of the capscrew (21). Torque
the capscrew to 15–20 ft-lb (20–27 NSm).
To replace the guide tube gasket (19), screw the guide
tube (13 or 29) out of the elevator base (17 or 22).
Take the gasket out. See Fig. 6. Be careful not to
damage the outside bearing surface of the guide tube.
Put a new gasket into the base. Put R tape on
the threads of the guide tube and screw it into the
base. Torque to 90–130 ft-lb (122–175 NSm).
Push-Pull Valve
Remove the valve guide (71), washer (64), o-ring (66*)
and seal (67*). Pull the assembled valve parts out of
the valve body (70). See the Parts Drawing on
page 8. Disassemble parts, clean and inspect. Re-
assemble the valve, using new parts as necessary.
PTFE
8 306287
Elevator Parts
9 or 18
15
*30
11
16 or 27
26
25
*19
17
3
20
7
14 or 28
21
4
8
5*
10*
12 or 24
1
23
22
1
3
4
2
1
2
29 or 131
Torque to 90–130 ft-lb (122–175 NSm)
Torque to 30–60 ft-lb (40–80 NSm)
3
Torque to 20–40 ft-lb (37–54 NSm)
4
Torque to 15–20 ft-lb (20–27 NSm)
5
5
Add LoctiteR TL–222 to threads
6Apply sealant
6
7
7
7
Apply tape
8
8
Apply lubricant to inside surface
Elevator Parts
Model 204385, Series C
Standard Elevator with Fixed Mounting
Includes items 3–17, 19–21, 25–26, 30
Model 206231, Series B
Standard Elevator with Movable Mounting
Includes items 1, 3–16, 19–23, 25–26, 30
Model 207408, Series A
Heavy Duty Elevator with Fixed Mounting
Includes items 3–8, 10–11, 15, 17–21, 24–30
Ref.
No. Part No. Description Qty.
Ref.
No. Part No. Description Qty.
1 100005 SCREW, sq hds cup pt set; 1/2–13 x 1”
(Model 206231) 4
3 100139 PLUG, pipe; 1/8 npt 1
4 100422 LOCKWASHER, int shkprf; 3/4” 1
5* 150230 SPREADER, packing 1
7* 155899 GASKET, rubber 1
8 156306 WASHER, back-up 1
9 157633 SPRING, helical compression (Models
204385 and 206231) 1
10* 158260 PACKING, cup; leather 1
11 192198 BODY, piston 1
12 158262 BEARING, piston (Models 204385
and 206231) 1
13 158263 TUBE, guide (Models 204385
and 206231) 1
14 158264 TUBE, riser (Models 204385 and
206231) 1
15 158265 WASHER, special plain 1
16 158267 TUBE, stop (Models 204385 and
206231) 1
17 158270 BASE, stationary (Models 204385
and 207408) 1
18 158388 SPRING, helical compression (Model
207408) 1
19* 158429 GASKET, copper 1
20 161320 CAP, tube 1
21 192199 SCREW, special cap 1
22 165730 BASE, portable (Model 206231) 1
23 165731 STABILIZER (Model 206231) 4
24 167870 GUIDE, riser tube (Model 207408) 1
25 167871 HOUSING, elevator bearing 1
26 167872 BEARING, tape 1
27 167873 TUBE, stop (Model 207408) 1
28 167874 TUBE, riser (Model 207408) 1
29 167875 TUBE, guide (Model 207408) 1
30* 722834 PACKING, o-ring 1
* Recommended spare parts. Keep on hand to reduce
down time.
PTFE
10 306287
Support and Control Parts
1
2
33 38
36
35
37
39
32
40 34
32
46 43 44
42
49
45
47
48
63
71
64
66
67*
72
68
65
70
54
52
51
53
62 *61 69*
73
56
59 *57
58
1/8 npt
12
Screw firmly against seat,
back off 1/4 turn
Apply adhesive
Ref. No. 31: 206232 Pump Support Assembly
Ref. No. 41: 207562
Cover Support Assembly
Ref. No. 50: 207561 Air Control Kit
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