(38)  
Reload LOAD data.

(39) 
 Enter OAT oC value of +55. Verify that an INVALID TOO HIGH error message is displayed.

(40)
Enter OATPC value of -74. Verify that an INVALID TOO LOW error message is displayed.

(41)
Enter OATPC value of 15. Verify that value is accepted by the computer.

(42)
Repeat steps (39) thru (41) for D . ELEV too high value of 13520, too low value of -1001, and acceptable value of 1517 feet.

(43)
Repeat steps (39) thru (41) for RSV+ALT too high value of 13.7, too low value of 1.3, and acceptable value of 9.8.

(44)
Repeat steps (39) thru (41) for ZFW too high value of 45.8, too low value of 26.8, and acceptable value of 40.8.

(45)
Repeat steps (39) and (41) for INDEX too high value of 201 and acceptable value of 100.

(46)
Repeat steps (39) thru (41) for BELOW FL too high value of 181, too low value of 019, and acceptable value of 100.

(47)
Select CRZ on CDU mode selector, and page thru to MANUAL 3-4.

(48)
Repeat steps (39) and (41) for MAX IAS too high value of 351 and acceptable value of

300.

(49)
Select TRIP performance function.

(50)
Repeat steps (39) and (41) for DIST NM too high value of 4001 and acceptable value of

947.

(51)
Repeat steps (39) thru (41) for ISAPC too high value of +40, too low value of -89, and acceptable value of 8.

(52)
Repeat steps (39) thru (41) for WIND too high value of 201, too low value of -201, and acceptable value of -10.

(53)
On GJ 2509 and 2510, if required perform AFCS - PDC interface test (Ref 22-11-01).

(54)
If no further tests or adjustments are required, perform Restore to Normal.

5C8 
Jun 20/88  BOEING PROPRIETARY - Copyright . - Unpublished Work - See title page for details.  34-18-0 Page 505 

5C8 
34-18-0 Page 506  BOEING PROPRIETARY - Copyright . - Unpublished Work - See title page for details.  Jun 20/88 

5C8 
Jun 20/88  BOEING PROPRIETARY - Copyright . - Unpublished Work - See title page for details.  34-18-0 Page 507 

5C8 
34-18-0 Page 508  BOEING PROPRIETARY - Copyright . - Unpublished Work - See title page for details.  Jun 20/85 

5.  Adjustment Procedure (Ref SB 34-1146)
NOTE:  This adjustment affects all 737 airplanes with one of the following performance data computers installed: 10-61962-047-03, 10-61962-047-04, 10-61962-055-01, 10-61962-055-02, 10-61962-060-01 or 10-61962-060-02.
A.  This adjustment procedure is divided into three parts. These consist of: Engine intermix adjustments, Fuel flow PMF (performance modification factor), and Drag PMF. Each part may be accomplished independently.
B.  Provide external electrical power (Ref 24-41-0, AC External Power)
C.  Engine Intermix Adjustment 
NOTE:  Applicable to intermix of "A" and "non-A" engines with same engine rating only.
(1)  
Open PDC circuit breaker on P18 circuit breaker panel.

(2)  
Connect PDC wiring as indicated in Fig. 501.

(3)  
Close PDC circuit breaker.

(4)  
On PDC CDU perform following:

(a)  
Position mode selector to STBY.

(b)  
Press minus (-) key.

(c)  
Using page key, advance to TEST page 3, check that row 6 columns 11 and 12 display proper fuel flow PMF.

(5)  
If no further adjustments are required, perform Restore to Normal.

5C8 
Jun 20/85  BOEING PROPRIETARY - Copyright . - Unpublished Work - See title page for details.  34-18-0 Page 509 

 Adjustments Engine Intermix  5A7 
34-18-0  Figure 501  Jun 20/84 
Page 510 
BOEING PROPRIETARY - Copyright . - Unpublished Work - See title page for details. 

D.  Fuel Flow PMF Adjustment.
(1) 
 General

(a)  
Fuel flow PMF deviation value may vary from flight to flight. Pin adjustment may be performed, at the operator's discretion, when an average percentage change in fuel flow (%. WF) between actual and PDC predicted over many flights indicates a deviation of 0.8 or more.

(b)  
The fuel flow PMF interlock is also utilized to identify mixer or non-mixer engine configuration. 

NOTE: The term "mixer" refers to engines equipped with MOD-10 mixer exhausts.

(c)  
PDC predicted values are based on current fuel flow model.

(d)  
PDC predicted values used to determine %. WF may be taken from fuel over destination (FOD), range, or fuel weight predictions, or operators preferred method.
　
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