TM 5-2420-230-24-1
Maintenance & Service Manual
R & HR32000 3 & 6 Speed LD
TABLE OF CONTENTS
HOW THE UNITS OPERATE
SECTIONAL VIEWS AND PARTS IDENTIFICATION
Basic Design Silhouette ................................................................................... Fig.A
Converter Group................................................................................................ Fig.B
Converter and Transmission Case Group ..................................................... Fig. C
Reverse and 3rd and Forward and 2nd Clutch Group .................................. Fig. D
Low (1stClutch) and Output Group ................................................................. Fig.E
Regulating Valve, Charging Pump and Filter Group......................................Fig. F
Control Valve Assembly .................................................................................. Fig. G
Axle Disconnect and Mechanical Parking Brake .......................................... Fig. H
Assembly Instruction Illustration .....................................................................Fig. I
HR320003 Speed Typical Cross Section .........................................................Fig. J
DISASSEMBLY OF TRANSMISSION ..........................................................................
1
REASSEMBLY OF TRANSMISSION ................................................................................ 38
SERVICING MACHINE AFTER TRANSMISSION OVERHAUL ....................................... 56
SPECIFICATIONS AND SERVICE DATA.......................................................................... 57
LUBRICATION ................................................................................................................... 57
TROUBLE SHOOTING GUIDE.......................................................................................... 58
16 SCREW RING GEAR INSTALLATION .................................................................... 60-61
TYPICAL THREE SPEED POWER FLOW................................................................... 62-63
HR EXTERNAL PLUMBING DIAGRAM............................................................................ 65
CLEANING AND INSPECTION ......................................................................................... 66
SPEED SENSOR BUSHING INSTALLATION................................................................... 67
32 SCREW RING GEAR INSTALLATION .................................................................... 68-69
R-MODEL SECTION.......................................................................................................... 70
6 SPEED SECTION ........................................................................................................... 80
DRIVEPLATE INSTALLATION .......................................................................................... 90
NOTE: Metric Dimensions Shown in Brackets [ ],
F-25