ICON A5 MM : Propulsion : Engine : Oil System : Maintenance Instructions : Install Oil Cooler and Thermostat (00021+)
Install Oil Cooler and Thermostat (00021+)
100360-01
Use the following procedure to install the Oil Cooler and Thermostat.
Applicable Aircraft Serial Numbers
00021+
Type of Maintenance
Line
Level of Certification
LSA-RM
Task Specific Training Required
No
Special Tools Required
None
Parts Required
ICA011703 (OIL COOLER)
AN815-8D (FITTING, UNION, .500 TBG, AL)
9752K118 (O-RING, VITION, .644 ID x .087 W #908)
P6-H-190 (THERMOSTAT, OIL, THERMOSTATIS)
AN816-8D (FITTING, STRAIGHT, .500 TUBE TO .750-16 PIPE)
Aircraft System and Number
13—Propulsion
Safety Equipment
As Needed
Consumables
OLUBE 844-2 (LUBRICANT, ORING, PARKER O’LUBE)
LOCITITE®243™ (THREADLOCKER, PRIMERLESS, OIL TOL, REMOVABLE MED STR, BLUE)
TT-I-735A or equivalent (ISOPROPLY ALCOHOL)
Task Instructions
1. Apply LUBRICANT to two O-RINGs and install them on the two UNION FITTINGs.
2. Use a 1-inch wrench to install UNION FITTINGs into OIL COOLER. Torque to 468-514 in-lbs.
3. If THERMOSTAT does not have 4X STRAIGHT FITTINGs installed, then clean fittings thread with ISOPROPYL.
4. Apply THREADLOCKER to STRAIGHT FITTING threads. Use a 13/16 wrench to install STRAIGHT FITTING. Torque to 1.5-2.5 turns past finger tight.
5. Install THERMOSTAT onto OIL COOLER as shown in .
Note: 
It is easier to torque fasteners after oil lines are installed.
6. Install the two aluminum oil lines between OIL COOLER and THERMOSTAT. Use a 1-inch wrench to hold UNION FITTING on the OIL COOLER, a 13/16 wrench to hold STRAIGHT FITTING on THERMOSTAT, and a 7/8 wrench to turn the AN-8 B-nuts. Torque the B-nuts to 200±50 in-lbs.
7. Use 3/8 and 1/4 wrenches to torque the two Thermostat mounting fasteners to 20 in-lbs.
8. Install the P-clamp as shown in Figure 412. Torque hardware to 20 in-lbs.
9. Ensure the Bulb Seal on the Air Plenum Box is in good condition. Use a 1/4 wrench to install the Oil Cooler assembly to the Air Plenum Box with four #10-32 nuts and washers as shown in Figure 411. Torque to 20 in-lbs.
10. Use a 13/16 wrench to hold the Adapter Fitting and a 7/8 wrench to turn the AN-8 B-nut to install the Thermostat-Engine Hose. Torque B-nut to 200±50 in-lb. (Figure 411)
11. Use a 13/16 wrench to hold the Adapter Fitting and a 7/8 wrench to turn the AN-8 B-nut to install the Tank-Thermostat Hose. Torque B-nut to 200±50 in-lbs.
12. Purge the Engine Oil system per the latest Rotax Installation Manual for Rotax Engine Type 912 i Series.
13. Run the Engine. Check for leaks and the oil pressure. Replenish the oil level as required.
14. Install the top Engine Cowling. (Install Engine Cowlings)
Verification Method
The procedure is complete when the Oil Cooler and Thermostat have been installed and the Engine check shows good oil pressure and no leaks. (Engine Test Run)