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4.5 SECONDARY AIR TUBE REPLACEMENT
(see Figure 4.11)
1. Remove cotter pin at RH end of tube.
2. Slide tube to left and lower tube end below RH plenum.
3. Slide tube to right to remove.
4. Reassemble in reverse order using a new cotter pin. The cotter pin is a hammerlock style
and locks into place by hitting the head sharply with a hammer.
5. Note that any tube can be replaced without disturbing the baffle.
Important Notes:
Figure 4.11 – Secondary air tube replacement
The air tubes are identified for placement as follows:
Model Type of tube
Escape 1800
Front ► 41 holes of 5/32"
Center& rear ► 81 holes 0.109"
#1
#2