Install Middle Air Reservoir Airlines and Fittings.

MWO 5-2330-360-23-1

10. INSTALLATION PROCEDURE M870A1 BRAKE MOD (BENDIX) (Continued).

Figure 31.

(1) (See View A). Disconnect the middle air reservoir tank air line 1/2" tube (1) at the large cross fitting (2) rear

port, and remove straight adapter (3). Dispose of straight adapter as described in paragraph 8d.

(2) Install plug (4), PN 238822, in the large cross fitting (2) rear port. Install straight adapter(5), PN 217690, in the

spring brake valve rear port.

(3) Connect the middle air reservoir tank linel/2" tube (1) to the spring brake valve rear straight adapter (5).

(4) (See View B). Disconnect the emergency air line, 3/8" tube (6) at the spring brake valve left port, and remove

the spring brake valve left port straight adapter (7). Dispose of adapter as described in paragraph 8d.

(

5) Install tee (8), PN 205104, in the spring brake valve, left port (9) with one connection facing left and one

connection facing rearward. Connect the emergency air line, 3/8" tube (6), to the spring brake valve, left tee (8), left

connection.