SAFARI

PROPELLER SHAFT

TROUBLESHOOTING

COMPLAINTS

CAUSES

CORRECTION

VIBRATION

Improper phasing

Replace u-joint

Loose outside diameter fit on slip Straighten and balance shaft

spline

Replace shaft bearing

Driveshaft out of balance,

Check driveshaft for correct yoke

Worn u-joint

phasing.

Inadequate torque on bearing strap

bolts.

PREMATUREWEAR

Improper lubrication

Replace the affected parts.

Excessive u-bolt torque on

retaining nuts

Worn or damaged seals

SLIP SPLINE WEAR

Improper lubrication

Lubricate slip spline according to

Worn or damaged part

specifications

Contamination

Check for installed lengths check

condition of slip yoke seal.

YOKE FRACTURE

Mating yoke lug interference at full Replace yoke

jounce and rebound

TUBE BENT

Balance weight located in apex of Normal bearing wear - replace

weld yoke lug area

Balance weight too close to circle Check installed lengths

weld

Improper circle weld

Realign mounting bracket to frame

Shaft support bearing misaligned cross member to eliminate

– interferes with slinger

interference with slinger.