MAHLE RTI NTF-15 - Manual (Page 7)

Page 5 of 8
Operation
(See Control Panel on Preceeding Page)
Vacuum Tire
1. Connect shop air (120 - 150 PSI) to the air inlet port on the rear of the NTF-15.
2. Turn both panel valves to VACUUM TIRE.
3. Remove cap from tire valve stem. Place air chuck (on the end of the NTF-15 coiled green hose) on valve stem.
Squeeze air chuck trigger to vacuum tire.
4. To check for vacuum, release trigger momentarily. If slide-out pressure gauge moves out, press trigger to
continue the vacuum process.
5. When slide-out pressure gauge does not move out, continue to vacuum the tire for another 10 seconds.
Fill Tire
1. Connect shop air (120 - 150 PSI) to the air inlet port on the rear of the NTF-15. Verify pressure indicated on Air
Pressure gauge is between 120 - 150 PSI. Verify Nitrogen pressure indicated on the N
2
Pressure gauge is
adequate for service.
2. Turn both panel valves to FILL TIRE.
3. Place air chuck (on the end of the NTF-15 coiled green hose) on tire valve stem. Squeeze air chuck trigger to fill
tire.
4. Momentarily release air chuck trigger and check the slide-out pressure gauge to determine pressure in the tire.
Stop when tire pressure reaches the manufacturer’s recommended inflation pressure. Do not over inflate.
5. Replace valve stem cap with RTI N
2
Cap (Package of 200 - Part Number 355-80026-00).
Note: While not using the NTF-15 to fill or vacuum tires, generate Nitrogen and increase the Nitrogen
pressure in the internal storage tank by turning both panel valves to STANDBY.
Note: While using the NTF-15, the automatic drain feature of the filters may activate to remove excess
water and oil. This is normal with the standard operation of the unit.
Maintenance
Part Action Frequency
Filter Replace filter element. Refer to Page 6 One time per year, or when indicator
on the filter head reaches the end of
the indicator bar
Automatic drain Clean automatic drain. Refer to Page 6 When required