DeVilbiss QS-5012 Manuale di riferimento

SB-19-087-N

REPLACES SB-19-087-M

SERVICE BULLETIN

AIR MOTOR DRIVES

(Cont'd on Page 3)

Important: Read and follow all instruc-

tions and SAFETY PRECAUTIONS before

using this equipment. Retain for future

reference.

DESCRIPTION

The air motors covered in this service bul-

letin are designed to drive paint agitators

when connected to a source of clean, dry,

air pressure.

QS-5012 air motor drive, 15-1 gear reduced

for pressure tank agitator. Includes air

adjusting valve with necessary hose and

ﬁttings for hookup to tank regulator.

QMS-430 direct drive air motor and agita-

tor assembly for 2 gal. stainless pressure

tanks. Includes removable agitator and air

motor with air shut off valve and neces-

sary hose and ﬁttings for hookup to tank

regulator. Agitator supplied is suitable

for use with halogenated hydrocarbon

based solvents.

QMG-416 direct drive air motor and agita-

tor assembly for 2 gal. galvanized pressure

tanks. Includes removable agitator and air

motor with air shut off valve and neces-

sary hose and ﬁttings for hookup to tank

regulator. Agitator supplied is not suitable

for use with halogenated hydrocarbon

based solvents.

QS-5003 air motor drive, 15-1 gear re-

duced for paint drums having built-in

agitators. Includes air adjusting valve for

1/4" NPT(M) inlet.

High pressure can cause serious

injury. Pressure is maintained in

a pressure tank after the system

has been shutdown. Before

attempting removal of ﬁll plug

or cover, relieve tank pressure.

Pressure Relief Procedure

1. Turn off the main air supply to the

tank.

2. Close air inlet valve located on tank

air manifold.

3. Bleed off air in the tank by turning

the air inlet valve handle counter-

clockwise. Wait until all the air has

escaped through the valve before

removing the pressure tank cover or

ﬁll plug.

4. Leave the air relief valve open until

you have reinstalled the cover or ﬁll

plug.

INSTALLATION

QS-5012 Installation onto Pressure Tank

with Agitator (Refer to Figure 3.)

1. Position agitator assembly over bear-

ing assembly in lid until support (60)

is fully seated on bearing assembly. It

may be necessary to rotate the drive

assembly in order to get the agitator

assembly to engage in the gear box.

Once engaged, again rotate the drive

assembly until the air motor inlet and

exhaust ports are aimed toward the

rear of the tank. This will allow proper

hookup of air hose and ﬁttings to the

tank regulator.

2. Tighen hex head cap screw (61).

3. Remove main air supply inlet valve

from tank regulator and install service

tee (67) in open port.

4. Connect tank air supply inlet valve

to open end port of service tee (67).

Install nipple (64) in open port of

service tee.

5. If not already connected, install elbow

(63) in air motor inlet port and upper

nipple (64) in open elbow port. Connect

air adjusting valve (65) to upper nipple.

Connect hose assembly (66) between

lower nipple (64) and air adjusting

valve.

QMS-430 and QMG-416 Installation Into

Pressure Tank (Refer to Figure 1.

1. Follow pressure relief procedure before

removing or loosening any tank lid

components.

2. If not already separated, loosen propel-

ler setscrew (32) and remove propeller

from shaft.

3. Remove seal plug from paint tank

lid and clean sealing surface around

threaded port.

4. Make sure that the O-ring (26) is fully

seated in groove of adapter (24). Install

and tighten air motor adapter and shaft

assembly into threaded center hole in

tank lid.

5. Loosen setscrews (25) in adapter. Ro-

tate air motor assembly until inlet port

is aimed toward the rear of the tank to

allow hookup of air hose and ﬁttings

to supply air inlet of tank regulator

or service tee. Air hose provided for

hookup is 10" long.

6. Retighten both setscrews (25).

7. Install propeller (31) on end of agita-

tor shaft (30). Secure propeller with

setscrew (32).

8. Remove main air supply inlet valve

from tank regulator and install service

tee (23). Install lower nipple (20) in

open port of service tee.

9. Connect tank air supply inlet valve to

end port of service tee (23). Install lower

nipple (20) in open port of service tee.

10. If not already connected, install elbow

(19) in air motor inlet port. Install upper

nipple (20) in open port of elbow. Con-

nect air adjusting valve (21) to upper

nipple. Then, connect hose assembly

(22) between air adjusting valve and

lower nipple.

Page 2SB-19-087-N SAFETY PRECAUTIONS

This manual contains important information that all users should know and understand before using the equipment.

This information relates to USER SAFETY and PREVENTING EQUIPMENT PROBLEMS. To help you recognize this information,

we use the following terms to draw your attention to certain equipment labels and portions of this Service Bulletin. Please pay

special attention to any label or information that is highlighted by one of these terms:

HAZARD CAUSE SAFEGUARDS

Fire Solvents and coatings can be 1. Adequate exhaust must be provided

highly ﬂammable or combustible, to keep the air free of accumulations

especially when sprayed. of ﬂammable vapors.

2. Smoking must never be allowed in

the spray area.

3. Fire extinguishing equipment must

be present in the spray area.

Explosion Hazard Making changes to pressure 1. Never drill, into, weld, or modify tank

Tank Rupture tank will weaken it. in any way. Carefully follow all instructions

for motor drive installation.

2. Do not adjust, remove, or tamper with

the safety valve. If replacement is necessary,

use the same type and rating of valve.

Explosion Hazard Halogenated hydrocarbon solvents - Aluminum is widely used in spray application

- Trichloroethane are not chemically equipment - such as material pumps, cups, regulators,

compatible with the aluminum that valves, etc. Check all equipment items before use

might be used in many system and make sure they can be used safely with these

components. The chemical reaction solvents. Read the label or data sheet for the material

caused by these solvents reacting with you intend to spray. If in doubt as to whether or not

aluminum can become violent and lead a coating or cleaning material is compatible, contact

to an equipment explosion. your material supplier. Any other type of solvent may

be issued with aluminum equipment.

Important information to alert you to a situation that might

cause serious injury if instructions are not followed.

The following hazards may occur during the normal use of

this equipment. Please read the following chart.

Note

Information that you should pay

special attention to.

Important information that tells how to prevent

damage to equipment, or how to avoid a situa-

tion that might cause minor injury.

CA PROP

65 PROP 65 WARNING

WARNING: This product contains chemicals known to the State of

California to cause cancer and birth defects or other reproductive harm.

SB-19-087-N Page 3

QS-5003 Installation onto Drum Mounted

Agitator (Refer to Figure 2)

1. Adapter (47) has two thread sizes:

1-1/2" NPS (M) on one end and 2" NPS

(M) on the other end. Choose the

proper thread size and place adapter

over agitator shaft of drum and screw

down securely.

2. Select proper driver shaft (46) and

attach it to drive coupling assembly

(48) with driver pin (45) and cotter pins

(44). Place this assembly on shaft of

drum agitator.

3. Slip air motor support (39) down over

drive coupling assembly (48) and

adapter (47).

4. Tighten air motor support (39) se-

curely with screw assembly (43).

5. Install gear box (38) on air motor sup-

port (39), being sure to engage shaft

of drive coupling assembly (48).

6. Tighten cap screw and hex nut (40

and 42).

7. Connect air supply line to air adjusting

valve (52).

OPERATION

Before operating air motor, lubricate as

covered in next section. Open valve to

main air line; then slowly open air adjust-

ing valve until agitator turns. To extend air

motor life, adjust air pressure setting to run

motor at about one revolution per second.

The agitator should be run continuously

while using the tank.

PREVENTIVE MAINTENANCE

Air Motor Lubrication

Failure to properly lubricate the air

motor will result in premature mo-

tor failure and will void warranty.

Lubricate air motor daily by adding 4

or 5 drops of SAE 10 weight oil into

air inlet ﬁtting. For convenience, an

automatic oiler may be connected

to the air inlet.

Periodically - Remove air adjusting valve

and air strainer and ﬂush motor with a

clean suitable solvent. Remove trapped

particles from screen in air inlet and clean

air strainer felt.

Air Motor Gear Box Lubrication

Every 2 Days - Remove oil ﬁll plug and

check oil level. Proper oil level is indicated

on outside of gear box housing. If oil level

is low, add 140-weight SAE Gear Oil or a

high quality worm gear lubricant. Replace

pipe plug and tighten to 20 foot-pounds

(27 N-m) of torque.

Note

Gear box oil is most easily drained

just after motor operation, while oil

is still warm.

Note

Do not overﬁll. Overﬁlling may cause

oil to leak out of vent cap on top of

gear box.

After ﬁrst 250 hours of operation, remove

gear box and drain gear oil. Reﬁll gear

box with 140-Weight SAE Gear Oil or a

high quality worm gear lubricant. Replace

pipe plug and tighten to 20 foot-pounds

(27 N-m) of torque.

6 Months or 2500 Operating Hours - Re-

place gear oil according to instructions

above. Replace gear oil more often if

environment causes oil to become con-

taminated during use.

REPLACEMENT OF PARTS

Removal of Air Motor and Gear Box (Refer

to Figure 3 - typical assembly.)

1. Follow pressure relief procedure (Ref.

Pg. 1) before removing or loosening

any components.

2. Turn off valve to main air supply and

disconnect air adjusting valve (65) at

nipple (64).

3. Loosen upper cap screw (61) and

remove air motor and gear box as-

sembly from support (60).

Air Motor (Refer to Figure 4)

Holes must be drilled for new dowel pins

(72) after assembling front plate (77) on

new body (76) for alignment of parts.

Do not pry front plate (77) or end plate

(71) from air motor body (76) with a screw

driver; this will dent the surface of the

body and plates causing leaks. A puller

tool should be used to remove the plate

from the motor body while maintaining

the position of the shaft.

Always install new gaskets (73) when

reassembling air motor.

Assemble the end plates to the body using

an arbor press with a pusher acting on both

races of the bearing while rigidly support-

ing the opposite (drive) end of the shaft.

Gear Box (Refer fo Figure 5)

1. Remove oil ﬁll plug (88) or cover plate

(84) and drain gear box lubricant.

2. Remove setscrews (91) and remove

gear box from air motor.

3. Disassembly gear box per exploded

view, Figure 5. Discard gaskets (87

and 92). Do not remove oil seal (90)

unless leakage or seal damage is

indicated.

4. If oil seal (90) was removed, inspect

seal seating bore in housing (89).

Remove any burrs or contaminants

from seal seating bore. Burrs or

contaminants could distort new oil

seal during installation.

5. Inspect gear and shaft assembly

(86) for wear grooves, burrs, or con-

tamination of seal seating area. If

seal seating area is damaged, shaft

must be repaired or replaced.

6. Inspect all other parts for wear spots,

chipping, or other damage. Replace

damaged or worn parts.

7. If oil seal (90) is being replaced,

inspect new seal for damage before

installing. Use arbor press to install

seal. Press ﬁxture diameter must be

close ﬁt with gear box bore diameter

to avoid damage to seal. Install with

inner casing and sealing lip toward

bottom of bore. Drive seal squarely

into bore to avoid warping. Check

that seal is fully seated all around at

bottom of bore.

8. Reassemble gear box per exploded

view. Install new gaskets (87 and 92).

Just prior to assembling gear box with

air motor, apply a small dab of thread

locking compound (81) to threads of

setscrews (91). Connect motor and

gear box and torque setscrews (91) to

60 inch-pounds (6.8 N-m), minimum.

Reﬁll gear box per gear box lubrica-

tion instructions.

Approx. 1/8" Gap

(top of oil level to

bottom of ﬁll line)

Page 4SB-19-087-N

Direct Drive Air Motor and Agitator Assemblies QMS-430 (Stainless Steel Shaft)

QMG-416 (Plain Steel Shaft)

Parts List for Figure 1

Ind.

Ref. Replacement Parts

No. Part No. Description Req'd.

1 QN-97 Carrying Handle 1

2 QMG-18 End Cap 1

3•† --- End Cap Gasket 1

4 † PT-58 Bearing 2

5 † Purchase Locally Machine Screw 12

1/4-28 x 1/2

6 † --- Front Plate 1

7•† PT-59-1-K10 End Plate Spacer Kit 2

(Kit of 10)

8 † QS-189-1-K10 Dowel Pin (Kit of 10) 4

9 † --- Body 1

10• --- Vane 4

11 † PT-57 Rotor Assy. for QMG-416 1

--- Rotor Assy. for QMS-430 1

(Not available separately,

order QMS-428 Air Motor

12 † --- End Plate 1

13 † PT-56 Seal 1

14 --- Strainer Cup 1

15 --- Screen 2

16•--- Felt 1

17 --- Strainer Body 1

18 † 350-401 Air Strainer 1

19* Purchase Locally Street Elbow 1/4" (M) 1

x 1/4" (F) NPT

20 H-2008 Nipple 1/4" NPS (M) 2

1/4" NPT (M)

21 HAV-500 Air Adjusting Valve, 1/4" 1

NPS (M) x 1/4" NPS (F)

AIR MOTOR DRIVE SERVICE CHECKS

CONDITION CAUSE CORRECTION

A. Air motor sluggish or inefﬁcient. 1. Air motor needs lubrication 1. Lubricate (see "Air Motor Lubrica-

or cleaning. tion" section). Disassemble and clean

per parts replacement instructions.

2. Motor vanes need replacing 2. Disassemble, clean motor per parts

or contaminants present in replacement instructions. Replace

motor chamber, Fig. 4. worn vanes.

3. Low oil level in gear box, 3. Add oil per lubrication instructions.

Figure 5.

4. Gear and shaft assembly 4. Replace worn parts per parts

(86) and/or worm gear (93) replacement instructions.

worn, Figure 5.

5. Air motor bearing (68 or 79) 5. Replace bearings per parts

worn, Figure 4. replacement instructions.

B. Oil leakage from gear box. 1. Seal (90, Figure 5) worn. 1. Replace seal per parts replacement

instructions.

Ind.

Ref. Replacement Parts

No. Part No. Description Req'd.

22 HA-57011 Hose Assembly 1

23 Purchase Locally Service Tee 1/4" Galv. 1

24# --- Adapter 1

25# --- Set Screw 2

(1/4-20 x 1/4")

26 SSG-8184-K2 O-Ring (Kit of 2) 1

27 KK-5041 Shaft Seal Kit 1

27A --- Shaft Seal 1

27B --- Retainer 1

28# --- Shaft Coupling 1

29# Purchase Locally Set Screw 2

(1/4-20 x 1/4" s.s.)

30 QMS-73 Agitator Shaft for 1

QMS-430

QMG-56 Agitator Shaft for 1

QMG-416

31 QMS-448 Propeller Kit (includes 1

31A & 32

31A --- Agitator Propeller 1

32 Purchase Locally Set Screw 1

(1/4-20 x 3/8" s.s.)

32A KK-4991 Agitator Kit for 1

QMS-430 (Includes

Item Nos. 24, 25, 28, 29)

KK-4990 Agitator Kit for 1

QMG-416 (Includes

Item Nos. 24, 25, 28, 29)

• Parts included in KK-5001-1 Air Motor Repair Kit.

# When replacing either Ref. Nos. 24, 25 or 28 and 29, you

must order Ref. No. 32A, KK-4991 for QMS Models or

KK-4990 for QMG Models. The kit includes necessary parts.

Ref. No. (15) 2 ea. and Ref. No. (16) 4 ea. are included in

KK-5006 Strainer Screen and Felt Kit.

† Parts included in PT-410 Air Motor Assembly.

SB-19-087-N Page 5

Figure 1 Direct Drive Air Motor and Agitator Assemblies

QMS-430 (Stainless Steel Shaft)

QMG-416 (Plain Steel Shaft)

Shaft Seal

(27A)

Detail drawing

(faces down)

Note: Retainer (27B) required only if tank is

used for vacuum operation.

15 16 15

27A

31A

32A

27B

27 (See Detail

and Note below)

Page 6SB-19-087-N

Parts List for Figure 2

Ind.

Ref. Replacement Parts

No. Part No. Description Req'd.

33 350-401 Air Strainer 1

34 --- Strainer Cap 1

35 + --- Screen 2

36•+ --- Felt 1

37 --- Strainer Body 1

38 --- Gear Box (Fig. 5)

39 QS-238 Air Motor Support 1

40 Purchase Locally Hex Head Cap Screw 1

3/8-16 x 2-1/2"

41 Purchase Locally Lock Washer 3/8" 1

42 Purchase Locally Hex Nut, 3/8-16 1

43 QS-456 Screw Assembly 1

44 Purchase Locally Cotter Pin 1/16" x 1/2" 2

45 QS-237 Driver Pin 1

46 QS-240 1/2" Driver Shaft 1

QS-242 7/16" Driver Shaft

47 QS-457 Adapter 1

48 QS-455 Drive Coupling Assy. 1

49 --- Air Motor, Fig. 4)

50 Purchase Locally Street Elbow, 1/4" (M) 1

x 1/4" (F) NPT Galv.

51 H-2008 Nipple, 1/4" NPS (M) 1

x 1/4" NPT (M)

52 HAV-500 Air Adjusting Valve 1

1/4" NPS (M) x 1/4" NPS (F)

• Included in KK-5001-1 Air Motor Repair Kit. See Page 8 for

additional parts included in kit.

+ Ref. No. (35) 2 ea. and Ref. No. (36) 4 ea. included in KK-5006

Strainer Screen & Felt Kit.

Figure 2 QS-5003 Gear Drive Air Motor

SB-19-087-N Page 7

Parts List for Figure 3

Ind.

Ref. Replacement Parts

No. Part No. Description Req'd.

53 350-401 Air Strainer 1

54 --- Strainer Cap 1

55 + --- Screen 2

56•+ --- Felt 1

57 --- Strainer Body 1

58 --- Gear Box (Fig. 5)

59 32243-133 Washer 1

60 QMS-35 Air Motor Support 1

61 Purchase Locally Hex Head Cap Screw 2

3/8-16 x 2"

62 --- Air Motor (Fig. 4) 1

63 Purchase Locally Street Elbow 1/4" (M) 1

1/4" NPT (F)

64 H-2008 Nipple 1/4" NPS (M) 1

1/4" NPT (M)

65 HAV-500 Air Adjusting Valve 1

1/4" NPS (F) x 1/4" NPS (M)

66 HA-57011 Hose Assembly 1

67 Purchase Locally Service Tee 1/4" Galv. 1

• Included in KK-5001-1 Air Motor Repair Kit. See Page 8 for

additional parts included in kit.

+ Ref. No. (55) 2 ea. and Ref. No. (56) 4 ea. included in KK-5006

Strainer Screen and Felt Kit.

Figure 3 QS-5012 Gear Drive Air Motor

Page 8SB-19-087-N

Parts List for Figure 5

Ind.

Ref. Replacement Parts

No. Part No. Description Req'd.

81 --- Thread Locking

Compound, not shown

82 • --- Fillister Head Machine 4

Screw 10-24 x 5/8"

83 QS-108 Pressure Relief 1

Fitting

84 QS-37-1 Cover Plate 1

85 • --- Washer 1

86 QS-416-1 Gear & Shaft Assy. 1

87 • --- Gasket 1

88 Purchase Locally Pipe Plug 1/4", Galvanized 1

89 QS-36-1 Housing 1

90 • --- Oil Seal 1

91 • --- Cup Point Setscrew 2

5/16-18 x 3/8"

92 • --- Gasket 1

93 QS-59 Worm Gear 1

94 • --- Spacer 1

95 • --- Key, No. 5, 5/8" x 1/8" 1

• Parts included in KK-5010 Gear Box Kit.

Figure 5 Gear Box Assembly

Parts List for Figure 4

Ind.

Ref. Replacement Parts

No. Part No. Description Req'd.

68 QS-336 Oil Seal 1

69 QS-197 Bearing 1

70 Purchase Locally Machine Screw, 1/4-28 X 1/2 12

71 QS-334 End Plate 1

72 QS-189-1-K10 Dowel Pin (Kit of 10) 4

73• PT-59-1-K10 End Plate Spacer Kit (Kit of 10) 2

74• --- Vane 4

75 QS-442 Rotor and Shaft Assy. 1

76 QS-335 Body 1

77 QS-333 Front Plate 1

78• --- End Cap Gasket

79 PT-58 Bearing 1

80 QS-190 End Cap 1

• Parts available in KK-5001-1 Air Motor Repair Kit.

Figure 4 QS-4016 Air Motor

(for QS-5003 and QS-5012)

79 78 77

WARRANTY

This product is covered by DeVilbiss' 1 Year Limited Warranty.

DeVilbiss Sales and Service: www.devilbiss.com

DeVilbiss

DeVilbiss has authorized distributors throughout the world. For technical

assistance or the distributor nearest you, see listing below.

U.S.A./Canada Customer Service Ofﬁce:

195 Internationale Blvd., Glendale Heights, IL 60139

Toll-Free Telephone: 1-800-992-4657 (U.S.A. and Canada only)

Toll-Free Fax: 1-888-246-5732

DeVilbiss Automotive Reﬁnishing

DeVilbiss has authorized distributors throughout the world.

For equipment, parts and service, check the Yellow Pages

under “Automotive Body Shop Equipment and Supplies.”

For technical assistance, see listing below.

U.S.A./Canada Customer Service Ofﬁce:

11360 S. Airﬁeld Road, Swanton, OH 43558

Toll-Free Telephone: 1-800-445-3988 (U.S.A. and Canada only)

Toll-Free Fax: 1-800-445-6643

When replacing Ref. No. 82, torque to 15

in-lbs. min. When replacing Ref. No. 91,

torque to 60 in-lbs. min. Apply SS-9868

sealant to threads as needed.

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