TM 5-2420-230-24-2
B3.9 and B5.9 Series Engines
Fan Clutch, Electric (008-026)
Section 8 - Cooling System - Group 08
Page 8-33
TABLE 1-PARTS BREAKDOWN
The following parts have been released for B Series production and service:
Part No.
Part Name
Description
Comments
1
3922954
Clutch
B Series with Accessory Drive
1.25:1 Ratio
1
3922773
Clutch
B Series without Accessory Drive
1.25:1 Ratio
2
3922869
Bracket
Fan Center 343 or 393.5 mm [13.5 or
1 per Assembly
15.5 in]
3
3920348
P-Clip
1 per Assembly
4
3922952
Washer
1 per Assembly
5
3922953
Capscrew 12
1 per Assembly
Point
N/A
3862596
Warning Label *
Per Installation
6
3900678
Capscrew
4 per Assembly
7
3903464
Fan Bolts
40-mm [1.6-in] length
6 per Assembly
7
3900634
Fan Bolts
50-mm [1.9-in] length
6 per Assembly
7
3904446
Fan Bolts
70-mm [2.8-in] length
6 per Assmbly
7
3900067
Fan Bolts
80-mm [3.15-in] length
6 per Assembly
7
3916069
Fan Bolts
90-mm [3.54-in] length
6 per Assmbly
NOTE: * Each 3862496 warning label kit contains two labels. One label must be installed on both sides of the fan
shroud.
Remove
Disconnect the electrical connections, negative (-) cable
first, from the batteries.
Disconnect the fan clutch connector on the base harness
from the fan clutch.
L-1089
