ENGINE
TM 5-3805-258-24-2
DISASSEMBLY AND ASSEMBLY
REMOVE ALTERNATOR
ALTERNATOR
1405-11
1. Disconnect wires (1) from the alternator.
2. Loosen two nuts (2) on the adjusting rod.
3. Remove vee belts (4) from the alternator pul-
ley.
4. Remove bolts (5) and alternator (3) from the
engine.
INSTALL ALTERNATOR
1405-12
1. Put alternator (5) in position on the engine.
2. Connect wires ( 1 ) on the alternator as shown.
3. Install vee belts (4) on the alternator pulley.
Adjust the belts. See the V-BELT TENSION
CHART at the bottom of the page. Tighten
nuts (2) and bolts (3) after the belt tension is
adjusted.
NOTE: When the tension in a vee belt is measured,
measure the belt farthest from the engine block.
When a replacement of one belt in a vee belt set is
necessary, a replacement of the complete set must be
made.
V-BELT TENSION CHART
WIDTH TOP
BELT TENSION
BELT TENSION
BELT SIZE
WIDTH
OF PULLEY
“INITIAL”*
“USED’**
BORROUGHS GAUGE NUMBERS
BELT TOP
GROOVE
GAUGE READING
GAUGE READING
mm
in.
mm
in.
N
lb.
N
lb.
OLD GAUGE NO.
NEW GAUGE NO.
3/8
10.72
.422
9.65
.380
445±22
100±5
400±22
9 0 ± 5
BT-33-73F
BT-33-95
1/2
13.89
.547
12.70
.500
534±22
120±5
400±44
90 ± 10
BT-33-96-4-16
BT-33-95
5V
15.88
.625
15.24
.600
534±22
120±5
400±44
90 ± 10
BT-33-72-4-15
BT-33-72C
11/16
17.48
.688
15.88
.625
534±22
120±5
400±44
9 0 ± 10
BT-33-72-4-15
BT-33-72C
3/4
19.05
.750
17.53
.690
534±22
120±5
400±44
90 ± 10
BT-33-72-4-15
BT-33-72C
15/16
23.83
.938
22.30
.878
534±22
120±5
400±44
90 ± 10
BT-33-72-4-15
BT-33-72C
MEASURE TENSION OF BELT FARTHEST FROM THE ENGINE
*"INITIAL" BELT TENSION is for a new belt.
**“USED” BELT TENSION is for a belt which has more than 30 minutes of operation at rated speed of engine.
A10232-1X1
5-11
