Allison Transmission Emergency Vehicle Series Operator's Manual page 12

BREATHER
MAIN-PRESSURE TAP
NOTE: Inch Series Threads
TACHOGRAPH PROVISION
NOTE: Metric Series Threads
TORQUE CONVERTER
WITH LOCKUP CLUTCH
AND TORSIONAL DAMPER
Figure 3. 3000/3500 EVS With Retarder
LEFT-REAR VIEW
BREATHER
MAIN-PRESSURE TAP
NOTE: Inch series threads
LEFT-FRONT VIEW
(WTEC III Controls)
11
ASSEMBLY PADS
FEEDTHROUGH
HARNESS
CONNECTOR
COOLER PORTS
NOTE: Inch Series Threads
ASSEMBLY PADS
(BOTH SIDES)
TO RETARDER
ACCUMULATOR
OIL FILL TUBE AND
DIPSTICK
(AVAILABLE ON
BOTH SIDES )
OUTPUT
SPEED
SENSOR
RETARDER
VALVE BODY
CONNECTOR
OUTPUT
RETARDER
V07307.03.00