ARB CKMA24 User Manual

ARB AIR LOCKER
Air Operated Locking Differentials
CKMA12 &
CKMA24
On-Board Air Compressor Kit,
High Output
Specs:
ITEM #
QTY
DESCRIPTION
PART #
NOTES
01
1
O-RING (BS010V75)
160242
5
Voltage
12 Volts (CKMA12), 24 Volts (CKMA24)
02
1
MANIFOLD CAP (1/4” NPT)
320214
Current Draw
No-Load
14.2A (CKMA12 only)
03
1
PRESSURE SWITCH (1/4” NPT)
CO35
Load
25.2A (CKMA12 only)
04
2
O-RING (BS031N70)
160241
5
Air Flow
87.2L/min @ 0kPa [3.08CFM @ 0psi]
05
1
MANIFOLD TUBE
320215
65.9L/min @ 200kPa [2.34CFM @ 29psi]
06
2
HEX BOLT (M6 x 60mm)
200703
Total Weight
4.5kg [9.9lbs]
07
1
COMPRESSOR HEAD ASSEMBLY
320102
Size
145mm x 190mm x 98mm (H,L,W)
08
1
SAFETY VALVE POPPET
320205
1
[5.7” x 7.5” x 3.9”]
09
1
SAFETY VALVE SPRING
150115
1
Manifold Port
1
/
4
” NPT [Pressure Switch] x 1
10
1
SAFETY VALVE FITTING
320204
1
1
/
8
” BSPT [Solenoid nipple] x 2
11
1
HEX BOLT (M6 x 125mm)
200704
Pressure Switch
Open
690kPa [100psi]
12
4
HEX BOLT (M6 x 12mm)
200702
Closed
490kPa [70psi]
13
1
MANIFOLD SUPPORT BRACKET
320207
Safety Valve
OPEN @ > ~1250Kpa [180 PSI]
14
#
AIR LOCKER CONTROL SOLENOID (12V)
180103
15
#
NIPPLE (1/8” to 1/8” BSPT)
170501
Notes:
16
#
PUSH-IN FITTING (5mm to 1/8” BSPP)
170201
17
3
O-RING (BS032S70)
160247
5
18
1
VALVE PLATE ASSEMBLY
320105
19
1
BARREL
320201
1
Comes pre-assembled with HEAD ASSY (07).
20
1
PISTON ASSEMBLY (SERVICE KIT)
320302
6
21
1
STICKER, CKM COMPRESSOR
210122
2
Motor voltage is the only difference between
22
1
MOUNT ASSEMBLY
320101
the CKMA12 and the CKMA24 compressors.
23(a)
1
MOTOR ASSEMBLY (12V)
320104
2
Motor is serviceable with replacement brushes
23(b)
1
MOTOR ASSEMBLY (24V)
320106
2
available as #320111.
24
4
HEX BOLT (M6 x 25mm)
200405
*
4
CARRIAGE BOLT (M6 x 25mm)
6151082
3
AIR FILTER BASE (31) & COVER (33) available
25
4
FLAT WASHER (M6)
200709
only in AIR FILTER ASSY #320501 which also
26
1
BACKING PLATE
290603
includes the element.
27
4
NYLON LOCK-NUT (M6)
6151223
28
1
AXLE
320203
4
Wiring loom #180409 suits 12 & 24 volt systems.
*
1
RETAINING RING, DIN7993 RW-14
6151767
29
1
CAP SCREW (M5 x 20mm)
200711
6,7,8
See full wiring diagram attached.
30
1
AIR FILTER FLANGE (1/4” NPT)
320212
31
1
AIR FILTER BASE
320501B
3
5
Complete set of O-ring seals is also available
32
1
AIR FILTER ELEMENT (DISK TYPE)
290503
3
as O-ring Service Kit #320301.
33
1
AIR FILTER COVER
320501A
3
34
1
O-RING (BS029N70)
160250
5,8
6
PISTON ASSEMBLY (20) comes only as a
*
1
WIRING LOOM (CKMA12 & CKMA24)
180409
4
service kit also containing the BARREL (19),
*
1
RELAY (12V,40A)
CO42
AXLE (28), and CAP SCREW (29).
*
1
SWITCH (12V)
180209
*
1
SWITCH COVER (COMPRESSOR)
180212
7
Thread lock must be applied to threads of CAP
*
2
PLUG (1/8” BSPT)
170802
SCREW (29) and then torqued to 10 Nm [7.4ft-lb].
*
2
EYE TERMINAL,10MM (YELLOW)
180702
CAP SCREW (29) should never be re-used
*
1
EYE TERMINAL,10MM (BLUE)
CO44
once it has been fully torqued once.
*
1
FUSE,40A,MAXI TYPE
180703
*
1
MINI BLADE FUSE HOLDER, 5A FUSE
180418
9
8
Pre June 2009 CKMA’s used O-RING 160243 and CAP
*
1
EYE TERMINAL,8MM (RED)
180707
9
SCREW 200708 (M4 x 20mm torque to 6Nm [4.4ft-lb]).
*
1
CABLE JOINER,INSULATED (RED)
180708
9
*
1
INSTALLATION GUIDE,CKMA
2102MA12
9
Only included in the CKMA24
#
Available separately or included with Air Locker kits.
*
Not illustrated in exploded view.

ARB CKMA24 Specifications

General

Brand	ARB
Model	CKMA24
Category	Air Compressor
Language	English

Summary

Compressor Specifications

Voltage and Current Draw

Details on operating voltage and current consumption for the compressor.

Air Flow and Weight

Specifications for air delivery volume and total unit weight.

Physical Dimensions and Porting

Information on the compressor's size and manifold port details.

Pressure Switch and Safety Valve Settings

Details on the pressure switch activation points and safety valve relief pressure.

Exploded Parts Diagram

Component Identification

Visual representation of compressor parts with numerical identifiers.

Overall Dimensions

Compressor Size and Fitment

Diagrams illustrating the physical size and dimensions of the compressor.

Design Features and Kit Contents

Key Design Features

Highlights of the compressor's construction, performance, and protection.

Included Kit Components

List of items provided in the complete air compressor kit.

Air Compressor Wiring Diagram

Loom and Component Connections

Schematic showing the wiring loom, switches, relay, solenoids, and power connections.

24 Volt Configuration Notes

Important considerations for setting up the 24-volt compressor model.