AirComm Corporation Bell 407 Heating System Instructions for Continued Airworthiness OEM User Manual

HEATER SERVICE MANUAL 407H-200M-1 
Revision D                                                                                                             Page 3-1 
 
Chapter 3  
 
LOCATION AND ACCESS  
 
1.  Location of Cabin Heater Features 
 
Nomenclature Figure Description of Location 
Heater System Major Components  3.1  Throughout Heater System 
Forward and Aft Heater Ejectors/Assemblies  3.2  Forward and Aft Seat Box 
Forward Flow Control Heater Ejector Outlet  3.3  Installed on Forward Heater...

HEATER SERVICE MANUAL 407H-200M-1 
Revision D                                                                                                             Page 3-2 
 
 
 
 
Chapter 3  
LOCATION AND ACCESS  
 
 
 
  
 
407H-500 Engine Compartment 
Bleed Air System (Ref.) 
Figure 3.1 Heater System Major Components 
407H-516 (Standard) 
407H-514 (Arctic) 
Bleed Air Plumbing 
407H-900 (Standard) 
407H-904 (Arctic) 
Heater Ejector Installation 
 
407H-960 
Windshield Defroster 
407H-988  
Chin Bubble Defroster...

HEATER SERVICE MANUAL 407H-200M-1 
Revision D                                                                                                             Page 3-3   
 
 
 
 
 
 
 
 
 
 
  
View B – B (pg 3-2) 
Figure 3.2 Heater System Forward and Aft Ejectors/Assemblies 
(Looking Down) 
S-6454EC-2 Fwd Heater Ejector 
FWD 
S-9241EC-2 
LH Aft Heater Assy 
S-9240EC-2 
RH Aft Heater Assy 
F 
F  

HEATER SERVICE MANUAL 407H-200M-1 
Revision D                                                                                                             Page 3-4 
 
 
View F – F (pg 3-3) 
Figure 3.3 Forward Flow Control Heater Ejector Outlet 
(Looking Aft)  

HEATER SERVICE MANUAL 407H-200M-1 
Revision D                                                                                                             Page 3-5 
  
View B – B (pg 3-2) 
Figure 3.4 Forward Flow Control Heater Ejector Detail 
(Looking Down)  

HEATER SERVICE MANUAL 407H-200M-1 
Revision D                                                                                                             Page 3-6   
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
  
View E – E (pg 3-2) 
Figure 3.5 Windshield & Chin Bubble Defroster Ejectors 
(Looking Aft) 
S-9227EC-7 
Chin Bubble Defroster 
Ejector 
S-9225EC-3 
Windshield Defroster 
Ejector 
S-9227EC-8 
Chin Bubble Defroster 
Ejector 
S-9225EC-4 
Windshield Defroster 
Ejector  

HEATER SERVICE MANUAL 407H-200M-1 
Revision D                                                                                                             Page 3-7 
 
 
 
 
 
 
  
View A- A (pg 3-2) 
Figure 3.6 Heater Control Valve Assembly 
(Looking Inboard) 
ES39300-2 Heater 
Control Handle 
S-9268EC-3 Heater 
Control Valve Assy  

HEATER SERVICE MANUAL 407H-200M-1 
Revision D                                                                                                             Page 3-8   
 
 
 
 
 
 
 
 
View D- D (pg 3-2) 
Figure 3.7 Window Defroster Control Valve Assembly 
(Looking Forward)  

HEATER SERVICE MANUAL 407H-200M-1 
Revision D                                                                                                             Page 3-9 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
View C – C (pg 3-2) 
Figure 3.8  Heater Shutoff Valve 
(Looking Outboard)  

HEATER SERVICE MANUAL 407H-200M-1 
Revision D                                                                                                             Page 3-10 
 
 
 
 
 
 
 
 
 Figure 3.9 Engine Bleed Air Components with Drain Valve 
(Looking Inboard RH Side)