Graco 237579, 237746, 237578 User Manual

Instructions-Parts List

06529b

06523b

Elevators and

306287W

Pump Supports

Used to raise and lower select Graco circulation and supply pumps. For professional use only.

200 psi (1.4 MPa, 14 bar) Maximum Air Input Pressure

Important Safety Instructions

Read all warnings and instructions in this manual. Save these instructions.

See page 2 for a list of models.

Table of Contents

Table of Contents . . . . . . . . . . . . . . . . . . . . . . . . . . 2

List of Models . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

Warnings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

General Information . . . . . . . . . . . . . . . . . . . . . . 4

Fixed Mount Elevator . . . . . . . . . . . . . . . . . . . . . 4

Pump Support Bracket . . . . . . . . . . . . . . . . . . . . 5

Cover Support . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

Air Connection . . . . . . . . . . . . . . . . . . . . . . . . . . 5

Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

Starting and Adjusting the Elevator . . . . . . . . . . 6

Changing Drums . . . . . . . . . . . . . . . . . . . . . . . . . 6

Service . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

Lubrication . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

Seals and Gaskets . . . . . . . . . . . . . . . . . . . . . . . 7

Push-Pull Valve . . . . . . . . . . . . . . . . . . . . . . . . . 7

Parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

Elevator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

Support and Control . . . . . . . . . . . . . . . . . . . . . 10

Support and Control

(Models 237746 Series A, 241663 Series A,

237579, 237578) . . . . . . . . . . . . . . . . . . . . . 12

Notes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

Graco Standard Warranty . . . . . . . . . . . . . . . . . . . 16

List of Models

Elevators

Part Number Series Description

204385 D Standard Elevator with Fixed Mounting

207408 C Heavy Duty Elevator with Fixed Mounting - Designed with increased

strength and rigidity to allow frequent raising and lowering loads ranging

between 120-400 lbs. (54-81 kg). 205332 B Bare Elevator

237746 A Elevator Assembly, includes 204385 Elevator, 237578 Cover Support,

and 237579 Air Control Kit 241663 A Elevator Assembly, includes 204385 Elevator, 207562 Cover Support,

and 207561 Air Control Kit

Pump Supports

Part Number Series Description

206232 A Frame Support (open mounting)

207562 A Ring Support (cover mounting)

237578 A Ring Support (cover mounting)

Air Control Kits

Part Number Series Description

207561 A For use with Supports 206232 or 207562

237579 A For use with Support 237578

2 306287W

Warnings

WARNING

WARNINGWARNING

WARNING

Warnings

The following warnings are for the setup, use, grounding, maintenance, and repair of this equipment. The exclamation point symbol alerts you to a general warning and the hazard symbols refer to procedure-specific risks. When these symbols appear in the body of this manual or on warning labels, refer back to these Warnings. Product-specific hazard symbols and warnings not covered in this section may appear throughout the body of this manual where applicable.

EQUIPMENT MISUSE HAZARD

Misuse can cause death or serious injury.

• Do not operate the unit when fatigued or under the influence of drugs or alcohol.

• Do not exceed the maximum working pressure or temperature rating of the lowest rated system component. See Technical Data in all equipment manuals.

• Use fluids and solvents that are compatible with equipment wetted parts. See Technical Data in all equipment manuals. Read fluid and solvent manufacturer’s warnings. For complete information about your material, request MSDS from distributor or retailer.

• Do not leave the work area while equipment is energized or under pressure.

• Turn off all equipment and follow the Pressure Relief Procedure when equipment is not in use.

• Check equipment daily. Repair or replace worn or damaged parts immediately with genuine manufacturer’s replacement parts only.

• Do not alter or modify equipment. Alterations or modifications may void agency approvals and create safety hazards.

• Make sure all equipment is rated and approved for the environment in which you are using it.

• Use equipment only for its intended purpose. Call your distributor for information.

• Route hoses and cables away from traffic areas, sharp edges, moving parts, and hot surfaces.

• Do not kink or over bend hoses or use hoses to pull equipment.

• Keep children and animals away from work area.

• Comply with all applicable safety regulations.

MOVING PARTS HAZARD

Moving parts can pinch, cut or amputate fingers and other body parts.

• Keep clear of moving parts.

• Do not operate equipment with protective guards or covers removed.

• Pressurized equipment can start without warning. Before checking, moving, or servicing equipment, follow the Pressure Relief Procedure in your separate pump manual and disconnect all power sources.

306287W 3

Installation

06523b

14 or 28

06530

Raised: 94 in (2390 mm)

Lowered: 55 in (1400 mm)

0.25 in

(6.4 mm)

0.5 in (13mm) bolt

Shim

Level

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 Accessories, available from your Graco distributor. If you supply your own accessories, be sure they are adequately

sized and pressure rated for your system.

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

2. Keep your fingers and hands away from moving

3. When the pump is in the raised elevator position,

4. Before working on the elevator, remove the pump

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 dimensional 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.

before raising the elevator.

parts when raising or lowering the elevator to prevent pinching or amputating them including between the drum and pump mounting assembly.

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.

and relieve air pressure to the elevator.

FIG. 1

4 306287W

FIG. 2

Installation

Pump Support Ref. No. 31

06528

06529b

49, 45

44, 42

14 or 28

Push-Pull Valve Ref. No. 60

06531

Pump Support Bracket

Set an open drum against the elevator base (17). 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 brackets (38)

FIG. 3

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) of the elevator. Push the other end of the copper tube (51) into this fitting and tighten the fitting.

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) 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. 5

FIG. 4

306287W 5

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