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R  No. 03-002). 
R  (3) Lubricate the new packing (15) and packing (17) with the OILS 
R  (Material No. 03-002). 
R  (4) Lubricate the new packing (2) and packing (5) with the OILS (Material 
R  No. 03-002). 
R  Subtask 24-21-51-420-085 
R  B. Installation of the IDG on Engine Gearbox 
R  (Ref. Fig. 404/TASK 24-21-51-991-306, 407/TASK 24-21-51-991-307) 
R  CAUTION : DO NOT USE EXTERNAL PARTS TO PULL OR LIFT THE IDG. IF YOU DO SO_______ 
R  YOU CAN CAUSE DAMAGE TO THE IDG. 
R  CAUTION : BE CAREFUL TO SUPPORT THE IDG CORRECTLY._______ 
R  YOU CAN CAUSE DAMAGE TO THE INPUT SEAL IF: 
R  - YOU LIFT THE IDG TOO MUCH 
R  - YOU DO NOT SUPPORT THE IDG SUFFICIENTLY. 
R  CAUTION : MAKE SURE YOU INSTALL THE IDG CORRECTLY. IF NOT YOU CAN CAUSE_______ 
R  DAMAGE TO MATING PARTS. 
R  CAUTION : IF YOU REPLACE THE IDG P/N 740119 WITH AN IDG "NEW EPGS", YOU_______ 
R  MUST REPLACE THE QAD P/N 740123 WITH QAD P/N 772896. 
R  (1) Remove the protective cover from the IDG interface side of the 
R  gearbox. 
R  (2) Remove the IDG (1) from the plastic bag.

 

R  Integrated Drive Generator (IDG) 
R  Figure 407/TASK 24-21-51-991-307
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R  (3) Install the O-ring (42) in the groove on the IDG splined shaft. 
R  (4) Install the O-ring (44) in the groove on the IDG (1) pilot diameter. 
R  (5) Put the IDG (1) on a HOIST - ACCESSORY, IDG R/I FOR CFM56-5 (TMHSD10-
R  20-00) or HOIST - ACCESSORY, IDG R/I FOR CFM56-5 (S387IDG). 
R  (6) Use the hoisting mechanism to align the IDG with the mounting pad 
R  support. 
R  Make sure that none of the weight is on the input shaft. 
R  (7) Turn the QAD tension bolt (43) to open the QAD ring (46). Align the 
R  mark on the QAD ring with the mark on the QAD engine-adapter plate. 
R  (8) Engage the lugs on the IDG in the openings in the QAD ring. To do 
R  this, align the " open-position " mark on the QAD with the opposite 
R  mark on the IDG. 
R  (9) TORQUE the QAD tension bolt to between 22 and 26 lbf.ft (2.98 and 
R  3.52 m.daN). 
R  (10) Lightly hit the outer edge of the QAD adapter with a softface hammer. 
R  (11) Do a check of the tension bolt torque. The torque value must not 
R  decrease more than 2 lbf.ft (0.27 m.daN). 
R  (12) Do again the procedure until the torque on the tension bolt is 
R  between 22 and 26 lbf.ft (2.98 and 3.52 m.daN). 
R  (13) Do a check of the distance between the ring lug and bracket of the 
R  QAD ring and bracket. If the distance is less than 0.312 in. (7.9 mm) 
R  minimum, 
R  (Ref. Fig. 408/TASK 24-21-51-991-308) 
R  remove and replace the IDG (Ref. TASK 24-21-51-000-040) and the QAD 
R  adapter (Ref. TASK 24-21-41-000-040). 
R  (14) Safety the tension bolt with Lockwire CRS 0.032in. (0.8mm) dia 
R  (Material No. CP8002) (45). 
R  (15) Remove the HOIST - ACCESSORY, IDG R/I FOR CFM56-5 (S387IDG) or HOIST-
R  ACCESSORY, IDG R/I FOR CFM56-5 (TMHSD10-20-00).

 

R Integrated Drive Generator (IDG) - QAD Adaptor Allowance R Figure 408/TASK 24-21-51-991-308
 1EFF : 401-499, 1 24-21-51Page 437 1 1 Aug 01/05 1 1 1CES 1

R  Subtask 24-21-51-020-076 
R  C. Removal of the IDG Terminal Block Cover 
R  (1) Remove the screws (28), the washers (29) and the terminal block cover 
R  (27). 
R  (2) Remove the terminal nut with captive washer (30). 
R  Subtask 24-21-51-020-077 
R  D. Removal of the Protections 
R  (1) If necessary, remove the shipping plugs (19) and (18) from the oil-in 
R  and oil-out bosses, and retain for subsequent use. 
R  (2) Remove the protective covers from the oil-in (13) and oil-out (12) 
R  lines. 
R  Subtask 24-21-51-420-086 
R  E. Installation of the Unions 
R  (1) Install the new packing (17) on the union (16) and the new packing 
R  (15) on the union (14). 
R  (2) Install the union (16) and TORQUE it to between 30 and 40 lbf.ft 
　
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