Eaton Fuller Heavy Duty Transmission TRSM0503 Service Manual – PDF DOWNLOAD

Description

Eaton Fuller Heavy Duty Transmission TRSM0503 Service Manual – PDF DOWNLOAD

DESCRIPTION:

Eaton Fuller Heavy Duty Transmission TRSM0503 Service Manual – PDF DOWNLOAD

FOREWORD:

The RT-111 O and RT-12510 transmissions are designed for heavy-duty on-highway equipment. The twin countershaft design, which splits torque equally between the two shafts, provides a high torque capacity to weight ratio . Because of torque splitting, each gear set carries only half the load, greatly reducing the face width of each gear. Another unique design feature is the floating gear principle. The mainshaft gears when not engaged “float” between the countershaft gears, eliminating the need for gear sleeves and bushings. All gears are in constant mesh and have spur type teeth.

• The RT-111 O and RT-12510 transmissions have ten forward speeds and two reverse, consisting of a five-speed front section and a two-speed auxiliary or range section, both contained in one case. First through fifth speeds are obtained by using the five gear ratios in the front section through the low speed gear of the range section. Sixth through tenth speeds are obtained by using the five gear ratios in the front section through the high speed (direct drive) range gear. As in other Roadranger transmissions, the ratios are progressively spaced.
• The RT-125 15 transmissions have 15 forward speeds and three consisting of a five-speed front section, which is identical to the RT-1 110 and RT-1251O front section, and a three-speed auxiliary or range section. Both sections are contained in one case, the rear plate being extended to accommodate the extra set of gears.
• The 15 speeds are obtained by using the five speeds of the front section through direct drive (high range), through the low speed range gear, and through the hole-gear of the auxiliary section. The hole-gear in the RT-12515 transmissions is engaged by air when selected by the driver.

TABLE OF CONTENTS:

Eaton Fuller Heavy Duty Transmission TRSM0503 Service Manual – PDF DOWNLOAD

Model Designations3
Description 4
Specifications 6
Lubrication8
Operation10
Air Systems 16
Preventive Maintenance 24
Changing Input Shaft 26
Disassembly Precautions 27
Disassembly Instructions
I Shifting Controls 28
A Deep Reduction Air System (RT-12515) 29
B Range Shift Air System 29
C Gear Shift Lever Housing 32
D Shift Bar Housing 33
II companion Flange, Auxiliary Housing and
Clutch Housing 36
111 Front Section38
A Auxiliary Drive Gear 38
B Left Reverse Idler Gear 39
C Countershaft Bearings 41
D Mainshaft 42
E Drive Gear 43
F Countershafts 45
G Right Reverse Idler Gear 45
IV Auxiliary Section –RT-1110 Series 46
A Range Shift Cylinder46
B Auxiliary Countershafts 47
C Synchronizer 47
D Low Speed Gear and Output Shaft 48
V Auxiliary Section –RT-12510 Series 50
A Range Shift Cylinder50
B Auxiliary Counershafts 52
C Synchronizer 53
D Output Shaft 54
VI Auxiliary Section –RT-12515 Series 56
A Range Shift Cylinder56
B Auxiliary Counterhafts 58
C Synchronizer 59
D Low Range Gear and Range Mainshaft60
E Deep Reduction Shift Cylinder 62
F Output Shaft 63
Inspection 64
Torque Ratings – 66
Reassembly Precautions 68
Reassembly Instructions
I Auxiliary Section-RT-1110 Series 69
A Output Shaft 69
B Synchronizer 71
C Auxiliary Countershafts 72
D Range Shift Cylinder74
II Auxiliary Section –RT-12510 Series 76
A Output Shaft 76
B Synchronizer 80
C Auxiliary Countershafts 81
D Range Shift Cylinder82
III Auxiliary Section –RT-12515 Series 84
A Output Shaft 84
B Range Mainshaft 89
C Deep Reduction Shift Cylinder 90
D Low Range Gear
E Synchronizer
F Auxiliary Countershafts
G Range Shift Cylinder
IV Front Section
A Right Reverse Idler Gear
B Countershafts
C Countershaft Installation
D Drive Gear
E Drive Gear Installation
F Left Countershaft Timing
Mainshaft Axial Clearances
G Mainshaft
H Mainshaft Installation
I Left Reverse Idler Gear
J Mainshaft Final Installation113
K Auxiliary Drive Gear 114
V Companion Flange, Auxiliary Housing and
Clutch Housing 116
VI Shifting Controls 118
A Shift Bar Housing 118
B Gear Shift Lever Housing 121
C Air System 122
Tool Reference 124

EATON FULLER HEAVY DUTY TRANSMISSION TRSM0503 SERVICE MANUAL – PDF DOWNLOAD:

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