HENNESSY INDUSTRIES Coats 50 User manual

READ these instructions before placing unit in
service. KEEP these and other materials delivered
with the unit in a binder near the machine for ease
of reference by supervisors and operators.
Parts Identification
1601 J. P. Hennessy Drive, LaVergne, TN USA 37086 615/641-7533 800/688/6359 www.coatsgarage.com Manual Part No.: 85607317 46
HENNESSY INDUSTRIES LLC Manufacturer of COATS®, AMMCO®and BADA®Automotive Service Equipment and Tools. Revision: 01/22
50/60/70/80/90
X-Model Series
Rim Clamp®Tire Changers
Any other type, including tube type and agricultrual,
require special handling. Tires identied as truck
tires need to adhere to OSHA standard 1910.177.
For servicing single piece automotive and
most light truck tire/wheel assemblies.
50X-EH-1 Shown with
optional Robo-Arm®
Helper Device Installed
70X-EH-3 Shown

2 • COATS Tire Changer
Parts Identication
The following pages include parts breakdowns with
exploded view illustrations to help with ordering replace-
ment or spare kits. Assemblies are noted where it is
recommended that individual parts not be ordered sepa-
rately. Note that the parts view illustrations are for mul-
tiple models and not all parts shown are on all models.
Every effort is made to supply accurate exploded views,
however, due to interim changes in manufacturing opera-
tions, some units may not be exactly as illustrated.

COATS Tire Changer • 3
Table of Contents
Parts Identification ........................................ 2
Robo-Arm®Helper Device Assembly ........... 4
Swing Arm Assembly.................................5-8
80X Swing Arm (Post-July 2020)
90X Swing Arm (Post-December(2021) .. 5-6
50/60/70/90 X-Series Swing Arm
80X Swing Arm (Pre-July 2020)
90X Swing Arm (Pre-December)............. 7-8
RoboRoller™ Powered
Assist Assembly........................................ 9-10
Powered Assist (Post-July 2020)................ 9
Powered Assist (Pre-July 2020) ............... 10
Inflation Bracket and
Tower Assembly...................................... 11-12
Chassis System............................................ 13
BL Arm Assembly ........................................ 14
Foot Pedal Assemblies ........................... 15-18
Electric Model Foot Pedal Assembly .. 15-16
Air Model Foot Pedal Assembly.......... 17-18
Table Top and Shaft Housing
Assembly................................................. 19-20
Inflation Guard
Assembly - 6065, 7665 ...........................21-22
Valve Assemblies......................................... 23
Cylinder Assemblies.................................... 24
Leverless Bead Lifter ................................... 25
Electrical Schematics .............................26-27
Domestic and C.S.A.
(Single-Speed Motors) ............................. 26
115V Motor (2-Speed) .............................. 27
220V Motor (2-Speed).............................. 27
Pneumatic Diagram................................28-29
Rim Clamp®Tire Changer ............ Back Cover

4 • COATS Tire Changer
Robo-Arm®Helper
Device Assembly
Item Part No. Description
1 8500916701 Plastic Foot Hold Down
2 8301017 ø1/2” Steel Ball
3 8183637 ø2 Ext. Retaining Ring
4 70002301 1/2” Rubber Hand Grip
5 85610656 1/4-20 x 5/16 LG BHCS
6 8182001 Screw - 10-24 x 3/4 Lg. SHCS
*7 see p.22 Robo Arm Valve
8 905563 Pin-Roll,1/4X1-1/2
9 8560888401 Cylinder Assembly 2.5” Dia.
12 8181996 1/4 NPT x 1/8 Tube St. Fitting
13 ** 1/8 x 6” Plastic Tube
14 8106301 1/4-20 x 3/4” Soc Hd HWHST
Screw
15 8182044 Neoprene Cushion Clamp
16 8182016 3/4”-10 Nylon Insert Lock Nut, Gr.5
17 8100994 3/4” x 2” OD Flat Washer
18 8181038 Swing Arm Pivot Pin
19 ** 1/4, 58” Black Rubber Hose
20 81849043 Rear Arm Weldment (Red)
21 8561134903 Front Arm Weldment (Red)
22 8183703 3/4-10 x 10-1/2” HHCS, Gr5
Item Part No. Descriptionr
24 ***8184226 1/4-28 Grease Fitting If Applicable
25 8183635 3/4-10 x 14-1/2” HHCS, Gr.5
26 8184059 Manifold Assembly
27 8000378 1/4” Brass St. Fitting
28 8108968 Air Gauge
29 8183434 Manifold/Gauge
30 8182599 Safety Valve
31 8109481 1/4 NPT x 1/8 NPT RDCR Fitting
32 8183636 Spacer, .781 ID x 2.75 OD x 1.5
* Valve (available only as individual components,
see page 22)
**Hose Reels
*** Post April 2021 Maintenance Free Version
Hose Reels
LENGTH PART NO. DESCRIPTION
50-ft. 85000375 1/4” ID x 1/2” OD Black Rubber Hose
50-ft. 85000376 1/8” OD x 0.25 Plastic Tube
100-ft. 85609142 3/8” OD x 0.05 Plastic Tube

COATS Tire Changer • 5
Swing Arm
Assembly
90X Swing Arm (Post-December 2021)
80X Swing Arm (Post-July 2020)
Item Part No. Description
1 8183151 5/16-18 x 0.75 SBHCS, Gr.8
2 8181771 Vertical Slide Cap
3 8182028 Vertical Slide Spring
83031235 Vertical Slide Spring (Leverless)
4 8561085201 Swing Arm Assembly
8561085202 Swing Arm Assembly (Leverless)
5 8182812 Vertical Slide Shaft
6 8181095 1-5/8 Snap Ring
7 8182371 1-5/8 Dia. Wave Washer
8 85610989 Lock Handle, R.H.
9 8100979 Handle Grip, Black Flex 3/4 I.D.
10 85606344 1/2 x 5/8 Shoulder Screw
11 85610655 3/8-16 Lock Nut
12 8181113 1/2”-13 Jam Nut, Gr. 5
13 85606343 Lock Plate
14 85611540 Cam Roller-Asm
15 8182031 Rubber Bumper
16 8184432 ** Duckhead® Mount/Demount Tool Kit (Grey)
17 8182027 7 ga. x .406 ID x 1.28 OD Washer
18 8183055 3/8-16 x 0.750 SBHCS Screw
19 81827881 **Duckhead Mount/Demount Tool Kit (Metal)
20 8182787 0.562 Diameter x 0.515 LG. Roller
21 8182786 5MM x 25MM Dowel Pin
22 8140667 1/4-20 x 1/4 Soc.Hd.Set Scr, Gr.8
23 8182813 3/8-16 x 3/4” Ctr Bore Cap Scr, Gr.8
24 8106302 3/8” Whiz Lock Screw, Gr.5
25 8183061 **Duckhead Mount/Demount Tool Kit (Nylon)
26 85606345 Shim
30 85607820 Adjusting Lock Knob
31 85000317 5/16-18 x 1-1/2 HSWHCS Screw Zinc
32 8107635 5/16”Plain Washer
33 85607814 Lock Assembly
34 85607816 Lock Block
35 70002301 1/2 x 3 Handle Grip
** Accessory Item
Note: Standard and optional mount/demount tools
shown.

6 • COATS Tire Changer
1 8100979 GRIP-HANDLE,FLX,BLCK,3/4ID
2 8106302 SCREW - HHCS,3/8-16 X 7/8,
3 8181095 EXTERNAL RETAINING RING
4 8181113 NUT - JAM, 1/2"-13
5 8181771 CAP - VERTICAL SLIDE
6 8182027 WASHER 1.32 O.D. x .406 I.D.
7 8182028 SPRING - COMPRESSION
8 8182031 BUMPER - RUBBER STOP
9 8182371 WAVE SPRING WASHER
10 8182960 MOUNT/DEMOUNT HEAD
11 8183151 SCREW, BHSCS 5/16-18 UNC
12 85606343 LOCK PLATE-
13 85606344 SCREW - SHOULDER 1/2"
14 85610655 NUT-HEX,LCK,RVRS,3/8-16
15 85610989 RH LOCK HANDLE
16 85611540 CAM ROLLER ASS'Y
17 85611881 TOWER-RECIEVER,AIR,ASSY
18 85611893 SHAFT-VERTICAL SLIDE
19 8561085201 SWING ARM ASSEMBLY W/C RED
Plastic High-Spoke
Duckhead®
Mount/Demount Tool
5
6
4
11
6
8
9
1
2
3
12
7
13
10
14
26
17
**25
24
Torque to
20-26 ft. lb.
Steel
DuckHead®
Mount/Demount Tool
Nylon
DuckHead
Mount/Demount Tool
Grey
DuckHead
Mount/Demount Tool
Torque to
20-26 ft. lb.
Torque to
20-26 ft. lb.
15
17
24
22
21
20
**19
APPLY GREASE TO THESE LOCATIONS
23
**16
17
18

COATS Tire Changer • 77 • COATS Tire Changer
50/60/70/90 X-Series Swing Arm
80X Swing Arm (Pre-July 2020)
90X Swing Arm (Pre-December 2021)
Item Part No. Description
1 8183151 5/16-18 x 0.75 SBHCS, Gr.8
2 8181771 Vertical Slide Cap
3 8182028 Vertical Slide Spring
83031235 Vertical Slide Spring (Leverless)
4 8182339 Swing Arm Shim Kit
5 8181038 Swing Arm Pivot Pin
6 81828202 Swing Arm, for R.H. Cam Lock
818282003 Swing Arm, Locking (Leverless)
7 8100979 Handle Grip, Black Flex 3/4 I.D.
8 8183673 Lock Handle/Lift Cam W/C, R.H.
9 8181095 1-5/8 Snap Ring
10 8182371 1-5/8 Dia. Wave Washer
11 8181113 1/2”-13 Jam Nut, Gr. 5
12 85606343 Lock Plate
13 8181035 Lock Plate Lift Pin
13a 85611540 Roller-Asm,Cam (90X Model Only)
14 8182812 Vertical Slide Shaft
15 8182031 Rubber Bumper
16 85606344 1/2 x 5/8 Shoulder Screw
17 8182813 3/8-16 x 3/4” Ctr Bore Cap Scr, Gr.8
18 8182027 7 ga. x .406 ID x 1.28 OD Washer
19 8106302 3/8” Whiz Lock Screw, Gr.5
20 8140667 1/4-20 x 1/4 Soc.Hd.Set Scr, Gr.8
21 8182786 5MM x 25MM Dowel Pin
22 8182787 0.562 Diameter x 0.515 LG. Roller
Item Part No. Description
23 81827881 Duckhead® Mount/Demount Tool
Kit (Metal)
24 85610655 Nut-Hex,Lck,Rvrs,3/8-16
25 8183061 Duckhead Mount/Demount Tool Kit
(Nylon)
26 85607803 Roller Mount
27 85606462 Bead Roller (Duckhead) Pkg.
28 8184432 Duckhead Mount/Demount Tool Kit
(Grey)
29 8183055 3/8-16 x 0.750 SBHCS Screw
30 85607820 Adjusting Lock Knob
31 85000317 5/16-18 x 1-1/2 HSWHCS Screw,
Zinc
32 8107635 5/16” Plain Washer
33 85607814 Lock Assembly
34 85607816 Lock Block
35 70002301 1/2 x 3 Handle Grip
36 85608961 Hybrid Duckhead Tail
37 85608959 Hybrid Duckhead Mount/Demount
Tool Lever Type
**38 8184600 Manual Bead Depressor
**Accessory Item

8 • COATS Tire Changer

COATS Tire Changer • 9
RoboRoller™ Powered
Assist Assembly
Powered Assist (Post-July 2020)
Item Part No. Description
1 85608884 2.5” RC, Cylinder Assembly
2 902308 1/4-20 x 3/8 Knurled Cup PT SHSS
3 8183637 2” Ext. Retaining Ring
4 8185598 Aux. Roller Assembly
5 85000204 UP/DOWN Decal
6 7000230 1/2” Rubber Hand Grip
7 85611802 Front Arm Weldment (Black)
8 85611866 *Valve Assembly
9 8182001 10-24 x 3/4 Lg. SHCS, Screw
10 8182016 3/4”-10 Nylon Insert Lock Nut, Gr.5
11 85611823 Pivot Pin
12 8182579 Hex Head Cap Screw
13 8181038 Helper Arm Pivot Pin
14 85611806 Rear Arm Weldment (Black)
15 85610016 3/4-10 x 7 HHCS Screw, Gr.5
*Valve Assemblies (available only as individual
components, see page 22)
1 902308 SCREW-SHSS,1/4-20X3/8,CUP PT, KNURLED
2 7000230 GRIP - HANDLE
4 8181038 PIVOT PIN
58182001 SCREW, SHCS 10-24 X 3/4
6 8182016 NUT - 3/4-10 UNC, LOCK
8 8182579 HEX HEAD CAP SCREW
9 8183637 RING - RETAINING
10 8185598 AUX ROLLER ASSEM
11 85000204 DECAL - UP/DOWN
12 85608884
CYLINDER-2.5" RC, ASSY
13 85610016 SCREW-HHCS,3/4-10X7,GR5
14 85611802 WELDMENT-ARM FRONT, BLACK
15 85611806 ARM-BCK,5RLL
16 85611823 PIVOT PIN
17 85611866 VALVE ASSEMBLY, ARM
APPLY GREASE TO THESE LOCATIONS
15
12
13
14
10
10
1
4
3
6 8
2
9
11
7
5
6
Torque to
240 ft./lb.
Torque to
240 ft./lb.

10 • COATS Tire Changer
Powered Assist (Pre-July 2020)
Item Part No. Description
1 8100964 1-1/4-inch Retaining Ring
2 8185593 Auxillary Arm Small Roller
3 8181983 10-24 x 5/8 BHSCS, Gr.8
*4 85609907 Helper Arm Valve Assembly
5 8180217 5/16-18 x 3/8-inch Set Screw
6 85609884 Front Arm Weldment
7 8185594 Auxillary Roller Shaft
8 8185592 Auxillary Arm Large Roller
9 8182579 HHCS Screw
10 8182016 3/4-10/E23 Nylon Hex Nut
11 85609886 Rear Arm Weldment
12 85610016 3/4-10 x 7 HHCS Screw, Gr.5
13 8182044 Neoprene Cushion Clamp
14 8106301 1/4” Hex Hd Self Tap Screw, Gr.5
15 85607010 3-inch Cylinder Assembly
16 85606919 Ext. Retaining Ring
17 8185035 13mm Flat Screw
18 85609897 Cylinder Rod End
19 85610249 Vertical Slide
20 8182457 Washer
Item Part No. Description
21 85610284 SCS Flat HD Screw
22 85610250 Long Guide Gib
23 8143815 3/8-16 x 3-1/2 HHC Screw
24 85609885 Tube Bracket Weldment
25 8181872 Torsion Spring Sleeve
26 85609899 Female Half Clamp
27 8301035 3/8-16 Hex Nyloc Nut
28 7000230 1/2” Rubber Hand Grip
29 8184226 1/4-28 Grease Fitting
30 8106303 3/8” Whiz Lock Nut, Gr.5
31 85610241 Spacer
32 8181997 90º Elbow 1/8 NPT x 1/8” Fitting
33 8109481 1/4 NPT x 1/8 NPT RDCR Fitting
34 871101642 1/4 NPTMX, 1/4F Tee Fitting
*Valve Assemblies (available only as individual
components, see page 22)
Helper Arm Assembly
1
14
23
5
25
3
10
13
20
9
17
8
2 7
27
16
15
21
6
24
11
19
18
26
22
12
4
10
28
29
30
APPLY GREASE TO THESE LOCATIONS
31
33
32
35