VIAIR 250C-IG User Manual
250C-IG COMPRESSOR KIT 12V
PART NO. 25050
250C-IG COMPRESSOR KIT 24V
PART NO. 25058
IMPORTANT:
It is essential that you and any other operator of this
product read and understand the contents of this manual
before installing and using this product.
SAVE THIS MANUAL FOR FUTURE REFERENCE
USER MANUAL
250C-IG COMPRESSOR KIT
IMPORTANT SAFETY INSTRUCTIONS
CAUTION - To reduce risk of electrical shock or electrocution:
- Do not disassemble. Do not attempt repairs or modications. Refer to qualied service agencies
for all service and repairs.
- Do not use this product in or area where it can fall or be pulled into water or other liquids.
- Do not reach for this product if it has fallen into liquid.
- Use this compressor with 12-volt (P/N 25050) or 24-volt (P/N 25058) DC systems only.
- This product should not be left unattended during use.
WARNING - To prevent injuries:
- Never allow children to operate this compressor. Close supervision is necessary when this
compressor is being used near children.
- This compressor will become very hot during and immediately after use. Do not touch any part of this
compressor with bare hands other than the ON/OFF switch during and immediately after use.
- Do not use this product near ames or explosive materials or where aerosol products are being used.
- Do not operate this product where oxygen is being administered.
- Do not pump anything other than atmospheric air.
- Never use this product while sleepy or drowsy.
- Do not use any tools or attachments without rst determining maximum air pressure for that
tool or attachment.
- Never point any air nozzle or air sprayer toward another person or any part of the body.
- This air compressor is equipped with an Automatic Reset Thermal Protector, and can automatically
restart after the thermal protector resets. Always cut off power source when thermal protector
becomes activated.
- Wear safety glasses or goggles when operating this product.
- Use only in well ventilated areas.
INSTALLATION
Please read and follow the Installation Instructions carefully to avoid injury or damage to the
compressor or your vehicle.
Each air compressor has been carefully produced and packaged. Before installation, please
familiarize yourself with Installation Parts List (Fig. 1) of this manual.
Guidelines for Selecting Mounting Location:
The selection of proper mounting location for your air compressor will help ensure a long and trouble
free compressor service life. Please note the following guidelines:
1. Select a FLAT, UPRIGHT AND SECURE location where the compressor can be mounted.
2. To maximize air compressor performance, locate compressor as CLOSE TO THE BATTERY as
possible so that length of positive lead wire required is at a minimum.
3. Choose mounting location that is as cool as possible and AWAY FROM HEAT SOURCES.
The cooler the ambient temperature, the less chance the compressor will overheat.
4. This compressor is moisture & splash resistant, but NOT WATERPROOF. Do not mount
compressor in locations where the unit is likely to come in contact with water.
5. For compressors with remote lter mounting, select compressor’s mounting location where air line
can be routed from compressor air inlet to remote inlet air lter. Make sure Remote Inlet Air Filters
are located in dry locations, away from water sources.
6. Select compressor’s mounting location where the leader hose bracket can be mounted to secure
the stainless steel braided leader hose.
7. If it is necessary to mount the air compressor further away from the battery, such as inside your
vehicle or in the bed of your pickup, use a larger gauge positive lead wire for remote installation.
8. Do not mount compressor near areas where ammable liquids are stored.
9. Use thread sealant for proper tting installation. Teon tape is not recommended.
Properly sealed, recommended torque is 12 to 15 ft. lbs
USER MANUAL
250C-IG COMPRESSOR KIT
MOUNTING AND WIRING
1. Disconnect ground cable from vehicle’s battery.
2. Temporarily position the air compressor in the location where it will be mounted.
3. Route ground wire to the negative post of the battery or to an appropriate grounding point
and cut ground wire to length as needed.
4. Mount air compressor with the four sets of bolts, nuts, washers, and locking washers provided.
(See Mounting Instructions) Use of thread locker is recommended.
5. This air compressor comes with a Heavy Duty Heat Resistant Stainless Steel Leader Hose.
The leader hose is designed to prolong the life of your air line. Do not remove this leader hose
from air compressor.
6. IMPORTANT: Please note, the Leader Hose that comes with your compressor may have a
built-in inline check valve pre-installed. Do Not remove inline check valve from leader hose.
7. Select proper location to mount leader hose with hose bracket provided. Avoid locations where
leader hose may become tangled with wires and other hoses.
8. To mount hose bracket, drill hole with 3/16” drill bit and push the self–anchoring hose bracket
pin into the drilled hole. Route leader hose through hose bracket and secure hose by pressing
bracket clamp into locked position.
9. To remove hose from the hose bracket, simply press down on the hose clamp release tab to
release bracket clamp.
10. Connect compressor’s positive lead wire to one of the leads of your pressure switch.
11. Make sure that your compressor setup is properly fused. For appropriate fuse size, refer to amp
draw of compressor in the specications section of this manual.
12. Always locate fuse as close as possible to power source.
13. Before connecting to power source, re-check to make sure that all connections are made properly.
14. Connect and test compressor system by running the compressor for a short time to build up
pressure in your air tank.
15. Once air pressure reaches preset cut out pressure of your pressure switch, the compressor will
shut off. Inspect all air line connections for leaks with soap and water solution. If a leak is
detected, the air line may not be cut squarely or pushed all the way in. Fix leaking connections
as needed.
(Fig. 1) 250C-IG Compressor Installation Parts List:
A
B
C D E
F
G
A. Hose Bracket (1pc)
B. Mounting Bolts (4pcs)
C. Flat Washers (8pcs)
D. Locking Washer (4pcs)
K
F
E. Nuts (4pcs)
F. 1/4” NPT F x 3/8” Barbed Fitting (1pc)
G. 1/4” NPT M x 3/8” Barbed Fitting (1pc)
H. Air Line Clips (3pcs)
I. Screws (3pcs)
J. Remote Inlet Air Filter with Filter Element (1pc)
K. 3/8” Airline
L. Teon Leader Hose (with separate JIC / NPT ttings & check valve)
(Fig. 2) Compressor
Mounting Hardware
B. Mounting Bolt
C. Flat Washer
D. Locking Washer
E. Nut
K. Vibration Isolator
B
C
K
C
D
E
(Fig. 3) Leader Hose Bracket
A. Hose Clamp
M. Clamp Release Tab
N. Self-Anchoring Pin
USER MANUAL
I
H
J
I
E
L
A
M
N
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