nuts (4) that attach the wire bundle to the PRSOV bracket and to the front of the precooler.

 (b)  
On engines with the electrical connectors, D1208 and D1210 attached to the PRSOV, do the steps that follow: 1) On engines without the captive fastener clamps,

 Release the clamps (1 and 6), bolts (2), washers (3), and nut (4) that attach the wire bundle to the PRSOV bracket and to the front of the precooler.
 2)  On engines with the captive fastener clamps, Release the clamps (12 and 13) that attach the wire bundle to the PRSOV bracket and to the front of the precooler.
 3)  On engines with a one-piece PRSOV bracket, Remove the four nuts (7) and washers (8) that attach the bracket to the PRSOV.
 4)  On engines with a two-piece PRSOV bracket, Remove the three bolts (9 and 10) and washers (11) that attach the top bracket to the bottom bracket.
 5)  Disconnect the electrical connectors, D1208 and D1210.
 CAUTION: MAKE SURE YOU INSTALL CAPS ON THE ELECTRICAL
_______ CONNECTORS. IF YOU DO NOT INSTALL CAPS ON THE ELECTRICAL CONNECTORS, CONTAMINATION OF THE CONNECTORS CAN OCCUR.
 6) Install caps on the end of each electrical connector. 7) Move the wire bundle connectors away from the PRSOV.
 NOTE: This will give clearance when you remove the PRSOV.
____
 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 36-11-15
 ALL  ú ú 01 Page 403 ú Jul 15/95
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A 737-300/400/500MAINTENANCE MANUAL
SEE  A 
(D1204) CONNECTOR ELECTRICAL (W1508) WIRE BUNDLE 
PRECOOLER 
2. BOLT 3. WASHER 4. NUT 5. CLAMP PRECOOLER CONTROL VALVE 
1. CLAMP 2. BOLT 3. WASHER 4. NUT 
PRSOV  FWD  PRSOV BRACKET 
Electrical Disconnects on the PRSOV - Right Side Figure 401 (Sheet 1) A 

E54229
 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ENGINES WITH THE ELECTRICAL CONNECTOR ú

 36-11-15
 (D1204) AT THE STRUT FIREWALL  ú ú 01 Page 404 ú Mar 15/96
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A 737-300/400/500MAINTENANCE MANUAL
SEE B
PRECOOLER
7.
 NUT

8.
 WASHER
(4 LOCATIONS)

ELECTRICAL4
6. CLAMP CONNECTOR
(D1210)
2.
 BOLT

3.
 WASHER

 4.
 NUT  ELECTRICAL

1
13. CLAMP2 CONNECTOR (D1208)
PRSOV BRACKET
1.
 CLAMP

 2.
 BOLT 1

3.
 WASHER

12. CLAMP2
5 (2 LOCATIONS)
9.
 BOLT

10. BOLT
11.
 WASHER

11. WASHER (2 LOCATIONS)WIRE BUNDLE
3  FWD3 (W1508)
1 ENGINES WITHOUT THE CAPTIVE FASTENER CLAMPS B
2 ENGINES WITH THE CAPTIVE FASTENER CLAMPS
3 ENGINES WITH 2-PIECE PRSOV BRACKET
4 ENGINES WITH 1-PIECE PRSOV BRACKET
5 ENGINES WITH DOWNSTREAM SENSE LINE TO BLEED AIR REGULATOR
Electrical Disconnects on the PRSOV - Right Side
Figure 401 (Sheet 2)

E54232
 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ENGINES WITH THE ELECTRICAL CONNECTORS ú

 36-11-15
 (D1208, D1210) ATTACHED TO THE PRSOV  ú ú 01 Page 405 ú Mar 15/96
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A 737-300/400/500MAINTENANCE MANUAL
 S 034-037
 (2)  Prepare to disconnect the PRSOV from the right side as follows (Fig. 402):
 (a)  Disconnect the pneumatic overtemperature sense hose from the tee fitting on the right side of the PRSOV.
 NOTE: You do not have to remove the floating clamps on the
____ pneumatic overtemperature sense hose to remove PRSOV.
 S 024-052
 (3)  
　
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