Tronair K-4243 Manual

K-4243 - Engine Compressor Washer Fuel Nozzle Cleaning Unit
This product can not be modified without the written approval of Tronair, Inc. Any modifications done without written approval
voids all warranties and releases Tronair, Inc., its suppliers, distributors, employees, or financial institutions from any liability
from consequences that may occur. Only Tronair OEM replacement parts shall be used.
This instruction is to be used in conjunction with the Operation and Service Manual for the Engine Compressor Washer.
1.0 DESCRIPTION
The Tronair fuel nozzle cleaning unit provides a controlled air/solution pulse circuit when used in conjunction with a Tronair
engine compressor washer unit.
This unit was developed for use on the Pratt & Whitney PT-6 family of turbine aircraft engines. Always consult the engine
manufacturer's recommendations before performing any fuel nozzle cleaning.
When in operation, the fuel nozzle cleaning circuit supplies compressed air and cleaning solution at a factory preset rate of
0.50 seconds flowing and 0.20 seconds off. The unit can also supply compressed air to purge the fuel nozzle system and the
engine compressor washer unit of any fluids, acting as a system dryer.
2.0 OPERATION
Always follow the engine manufacturer's recommendations for cleaning fuel nozzles.
2.1 PREPARATION
1. Fill cleaning tank with desired amount of acceptable cleaning solution.
2. Fill rinse tank with desired amount of acceptable rinse fluid.
3. Connect shop air to engine compressor washer air tank connection, "Open" supply air valve, and pressurize air tank (125
psi/8.6 bars Maximum).
4. "Close" supply air valve.
5. Prepare engine for fuel nozzle cleaning.
6. Connect the PT-6 engine connection assembly, Part Number: Z-2319, to the engine.
7. Disconnect spraying wand from the unit supply hose at the quick disconnect fitting.
8. Connect the Part Number Z-2319 adapter assembly to the quick disconnect fitting on the unit supply hose.
2.2 ADJUSTMENTS
1. With all valves closed or "Off", connect compressed air supply to fuel nozzle pulse cleaner.
2. Adjust the input pulse air regulator to the desired pressure.
3. Adjust the fluid tank air regulator to the desired pressure.
2.3 FUEL NOZZLE CLEANING
1. Follow the engine manufacturer's recommendations for specific order and duration of cycle steps.
2. The following chart denotes the proper orientation for all valves to perform specific steps of the operation cycle:
CYCLE STEPS
Detergent Wash
System Rinse
Soak/Off
Air Dry System
2.4 POST-CLEANING OPERATION
1. Close all valves on the engine compressor washer and verify that all flow has stopped.
2. Disconnect unit from engine and reassemble engine components per engine manufacturer's recommendations.
3. To empty and/or clean the fluid tanks, follow the steps listed in the engine compressor washer Operation and Service
Manual; reference Section 3.1 "Cleaning Fluid Tanks After Each Use".
4. Purge all fluid from system by air drying components with attached compressed air.
5. Disconnect compressed air supply from fuel nozzle pulse cleaner and reduce pulse and solution tank pressures to zero.
6. Store unit in a clean, dry area when not in use.
Tronair, Inc.
1 Air Cargo Pkwy East
Swanton, OH 43558
VALVE ORIENTATION FOR CYCLE STEPS
Selector Valve Supply Air Valve
Pulse Open
Pulse Open
Off Closed
Air dry Closed
ECW Fuel Nozzle Cleaning Unit
Clean Valve Rinse Valve
Open Closed
Closed Open
Closed Closed
Closed Closed
Phone: (419) 866-6301 | 800-426-6301
Web: www.tronair.com
Email: sales@tronair.com
K-4243
09/2009 | Rev. 01