(a)  
Put the double bonding jumper clamp on the fuel line and slide the clamp along the fuel line until clamp is between the two bonding jumpers.

 (b)  
Put the washer, then the bonding jumper, and then the washer on the screw.

 (c)  
Put the screw through the clamp.

 (d)  
Put the washer, then the bonding jumper, then the washer, and then the nut on the screw.

 (e)  
Tighten the nut on the screw.

 (f)  
Apply a fillet seal with the sealant (BMS 5-26 Type II) on the double bonding jumper clamp (AMM 51-31-01/201).

 (g)  
Make sure the bonding resistance between the bonding jumper and the airplane structure is not more than 0.01 ohms (AMM 20-10-21/601).

 S 424-009
 (3)  
To install the loop clamp (attached to the structure) (View C, Fig. 402), do the steps that follow:

 (a)  
Put the loop clamp on the APU fuel line and align with the holes in the structure.

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MAINTENANCE MANUAL

 (b)  
Install the screw through the structure, then the clamp.

 (c)  
Put the washer and the nut on the screw.

 S 424-090
 (4)  
To install the double loop clamp (View D, Fig. 402), do the steps that follow:

 (a)  
Put the small clamp of the double loop clamp on the fuel line.

 (b)  
Put the large clamp of the double loop clamp on the tubing adjacent to the fuel line.

 (c)  
Put the screw through the small clamp.

 (d)  
Put the spacer on the screw.

 (e)  
Move the large clamp up onto the screw.

 (f)  
Install the washer and nut on the screw.

 S 424-010
 (5)  
To install the saddle clamp (attached to the structure) (View E, Fig. 402), do the steps that follow:

 (a)  
Put the saddle of the saddle clamp against the fuel line and align with the structure.

 (b)  
Put the saddle clamp on the fuel line and align with the saddle.

 (c)  
Put the screw through the saddle clamp, saddle and the structure.

 (d)  
Install the washer and nut on the screw.

 S 424-011
 (6)  
To install the flexible half coupling (Fig. 403), do the steps that follow:
　
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