1、SAE Technical Standards Board Rules provide that: “This report is published by SAE to advance the state of technical and engineering sciences. The use of this report is entirelyvoluntary, and its applicability and suitability for any particular use, including any patent infringement arising therefro
2、m, is the sole responsibility of the user.”SAE reviews each technical report at least every five years at which time it may be reaffirmed, revised, or cancelled. SAE invites your written comments and suggestions.TO PLACE A DOCUMENT ORDER: +1 (724) 776-4970 FAX: +1 (724) 776-0790SAE WEB ADDRESS http:
3、/www.sae.orgCopyright 2001 Society of Automotive Engineers, Inc.All rights reserved. Printed in U.S.A.SURFACEVEHICLE400 Commonwealth Drive, Warrendale, PA 15096-0001RECOMMENDEDPRACTICEJ1608REV.SEP2001Issued 1994-02Revised 2001-09Superseding J1608 FEB1994Manual Transmission Shift Patterns1. ScopeProv
4、ide standard shift pattern guidelines for manual transmission shift controls in light, medium, andheavy trucks and buses.2. ReferencesThere are no referenced publications specified herein.3. Control Sequence3.1 Straight Shift PatternProgression is from the lowest to the highest gear. The lowest gear
5、 is in the left-mostfull plane and gear changes should progress to the right with highest gear at the most right-ward position;highest gear in a full plane is rearward. Overdrive gear will follow the standard progression. Reverse gear isin the left-most position and forward.3.2 Compound Range Patter
6、nProgression is from the left to right with successively higher gearing in lowrange, until the highest gear is reached. A low to high range shift is then accomplished by means of a rangeshift control, followed by an exact repeat of the initial shift pattern starting from the “first” position.3.2.1 R
7、ANGE SHIFT CONTROLLocated on front of shift control. Operates in the vertical plane (parallel to thelever) with the up position providing high range and down position providing low range (see Figure 1).FIGURE 1RANGE SHIFT CONTROLCopyright SAE International Provided by IHS under license with SAENot f
8、or ResaleNo reproduction or networking permitted without license from IHS-,-SAE J1608 Revised SEP2001-2-3.3 Compound Range/Splitter PatternSame progression as a straight pattern. However, each gear positionoffers two or more gear ratios which are selected by means of a splitter-shift control. Ratio
9、selection is suchthat each position offers a progressive low-high ratio.3.3.1 SPLITTER-SHIFT CONTROLLocated on the side of the shift control adjacent to the driver for thumb operation.Operates in a plane (which is parallel to the top of the shift knob) with the clockwise movement providing highsplit
10、 and counterclockwise movement low split (see Figure 2). Right-hand drive reverses button motion.FIGURE 2SPLITTER-SHIFT CONTROL4. Positional Identification4.1 Rail BiasingProvide positive identification of the lever to shift rail position. The bias force to be adequate toguard against involuntary en
11、gagement of low or reverse gears (see Figure 3).FIGURE 3RAIL BIASINGCopyright SAE International Provided by IHS under license with SAENot for ResaleNo reproduction or networking permitted without license from IHS-,-SAE J1608 Revised SEP2001-3-4.2 Labeling ConventionFor pattern decals and shift knob
12、bezel.4.2.1 Dedicated starting gear position identified as “low,” or an appropriate abbreviation such as “lo” or “L.”4.2.2 Rail biasing to be indicated by the appropriate arrows (see 4.1).4.2.3 Range shifts to be designated by a horizontal split of the pattern boxes with the low range gears having a
13、dark background with contrasting light numerals and high range gears having a light background withcontrasting dark numerals (see Figure 4).FIGURE 4EXAMPLE OF RANGE SHIFTS5. Notes5.1 Marginal IndiciaThe change bar (l) located in the left margin is for the convenience of the user in locatingareas whe
14、re technical revisions have been made to the previous issue of the report. An (R) symbol to the leftof the document title indicates a complete revision of the report.PREPARED BY THE SAE TRUCK AND BUS TRANSMISSION SUBCOMMITTEE OF THESAE TRUCK AND BUS POWERTRAIN COMMITTEECopyright SAE International Pr
15、ovided by IHS under license with SAENot for ResaleNo reproduction or networking permitted without license from IHS-,-SAE J1608 Revised SEP2001RationaleNot applicable.Relationship of SAE Standard to ISO StandardNot applicable.ApplicationProvide standard shift pattern guidelines for manual transmissio
16、n shift controls in light, medium,and heavy trucks and buses.Reference SectionThere are no referenced publications specified herein.Developed by the SAE Truck and Bus Transmission SubcommitteeSponsored by the SAE Truck and Bus Powertrain CommitteeCopyright SAE International Provided by IHS under license with SAENot for ResaleNo reproduction or networking permitted without license from IHS-,-
