l I Pm 6 n r l 4 4 6 1 Sorvlna Illngnusls 4 6 1 Ilmlllutlun 4 6 2 Spwlflulluns 6 26 Mala T 156 3 Spud 4 6 3 Tnots 6 27 IIIad I T 15A 3 Spud 4 6 11 Transmlnlun lmallnlan 6 3 Mm T IBA 3 Spn d 4 6 18 Trnnsnlsslan R mmI 4 6 2 GENEML synchromesh engagement in all three forward gears 4 Model T 18A is a 4 speed constant mesh unit which Three r Sr models afe used they arei provides synchromesh engagement in Second Third T 150 T 15A and T 18A Models T 150 and T 15A are and Fourth Speeds only First gear is not 3 speed constant mesh units which provide gynchmniZ d Survlus Dlaqnusls Condition Possible Cause Correction LOCKS IN TWO 1 Worn poppet components 1 Replace GEARS HARD SHIFTING 1 Improper Clutch linkage 1 Adjust adjustment 2 Synchro Clutch wear or failure 2 Replace 3 Incorrect lubricant 3 Replace JUMPS OUT OF 1 Synchro Clutch wear or failure 1 Replace GEAR 2 Incorrect lubricant 2 Replace 3 Gear teeth worn or tapered 3 Replace 4 Insufficient inter lock spring 4 Replace parts tension 5 Misaligned or loose clutch 5 Align and tighten housing or clutch housing to transmission adapter 6 Excessive transmission end play 6 Adjust 7 Worn or loose engine mounts 7 Tighten or replace 8 Damaged clutch shaft roller 8 Replace bearings 9 Damaged or worn crankshaft 9 Replace pilot bushing NOISE IN LOW GEAR 1 Gear teeth worn or broken 1 Replace gears 2 Shifting fork bent 2 Replace fork 3 Lack of lubrication 3 Add lubricant as required LUBRICANT LEAKS 1 Gasket leaking at front bearing 1 Inspect oil seal gasket and oil INTO CLUTCH cap or cap oil seal leaking Oil slinger Replace as required HOUSING slinger broken or missing snsss