John-deere stx38 User Manual download pdf (Page 192)

5 - 28

3/21/97

TROUBLESHOOTING

POWER TRAIN

TROUBLESHOOTING

Problem or

Symptom

Belt jumping off or

slapping

Lack of drive in one

or both directions

Loses power under

load, belt slips, or

erratic drive

Jerky or aggressive

engagement

Cannot get all

forward gears

Cannot get reverse

gear

Jumps out of gear or

must hold into gear

Shifts hard

Noisy operation

Leaking grease

Brakes will not stop

tractor

Park brake will not

hold

Check or

Solution

Belt sheaves, idlers, and

guides loose, out of

adjustment, worn, or

damaged—tighten, replace,

or adjust properly

●● ●● ●

Belt worn, frayed, glazed, or

stretched—replace belt

●● ●● ●

Clutch/brake pedal linkage

out of adjustment—adjust

properly

●● ●● ●● ●●

Clutch/brake components

worn, bent, or broken—

replace and adjust properly

●● ●●●●●●● ●●

Shift lever and linkage bent,

worn, out of adjustment, or

broken—replace or adjust

properly

●●●●

Input sheave, input shaft,

and axle keys or keyways

worn or damaged—replace

● ●● ● ●●

Internal components worn,

stripped, or broken—replace

necessary components

●● ●●●●●●● ●●

Transaxle case halves worn

or broken—replace halves

●● ●●●● ●●●

Incorrect type or volume of

lubricant used—replace with

correct type and volume

●● ●●●●●●●●

Intermediate shifter/brake

shaft or axle seals worn or

damaged—replace seals

● ● ●●●●●●

Transaxle cap screws loose

or case holes stripped—

tighten or replace case half.

● ● ●●●●●●

Poor application of transaxle

case halves sealant—

replace sealant properly

●

Incorrect type sealant—

replace with proper sealant

●

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