Piper PA31-300/310/325 Navajo

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Item #

Part #

Description

1

LW10159

Right Forward Stack Cylinder #1

2

LW10164

Left Forward Stack Cylinder #2

3

LW10160

Right Center Stack Cylinder #3

4

LW10163

Left Center Stack Cylinder #4

5

LW10161

Right Rear Stack Cylinder #5

6

LW10162

Left Rear Stack Cylinder #6

7

LW15850

Right Hand Forward Tube

8

LW16792

Right Hand Center Elbow

9

LW16793

Right Hand Rear Elbow

10

LW15849

Left Hand Forward Tube

11

LW16789

Left Hand Center Elbow

12

LW16790

Left Hand Rear Elbow

13

40310-08

Upper Tailpipe

14

40310-09

Lower Tailpipe

15*

LW12127

Header Transition

1,3,5

LW16825

Right Hand Stack Assembly

2,4,6

LW16826

Left Hand Stack Assembly

16*

24502-225

V-Band Coupling

17*

24096-225

Elbow Gasket

18*

17189-225

Transition Gasket

19*

N/A

Tailpipe Coupling

20*

3-Hole Lycoming 15486

Exhaust Gasket

*Item not shown

AD 82-16-05 R1

100 Hour interval inspect V-band couplings using dye penetrant or 10 power magnifying glass

for cracks or damage to the spot welds and segments or any other damage

inspect turbocharger and tailpipe coupling for proper mating and cracks

remove any carbon deposits from mating surfaces before re-assembly


Reassemble coupling per Piper service bulletin 644C dated 12/3/1985