ILM 190303 F Flashcards
What is common transmission operating temperature?
Between 150-180 Fahrenheit
What are the 4 steps to follow before starting work?
Gather information
Talk to Operator
Visual Inspection
Perform Operation if unit safe
What measurement would indicate a restriction in a line?
Below 12 PSI Atmosphere
What can cause Cavitation?
Cold Oil
Engine Overspeed
Inlet Restrictions
What can cause Aeration?
Low Oil level
Air coming in the inlet
What are some signs of cavitation?
High restriction when measured with a manometer
Bubbly Oil on Inlet
Lowered Pressure
Lowered Flow
What are some signs of Aeration?
Low Restriction when measured with a manometer
Bubbly
Erratic Oil pressures
Erratic Flow
How do you measure clutch plates?
Check for coning and warping on a flat table
Check stack height
Measure individual thickness
Measure clearance after assembled
What is one important step to follow when reassembling clutches?
Allow the friction discs to soak in transmission fluid as per the manufacturers timeline.
What do you inspect Bearings for?
Scoring Pitting Scratches Cracks Chips Wear Defective Mating Surfaces
What do you inspect Bushings for?
Scoring Burrs Sharp Edges Overheating Out of Round
What do you inspect Housings for?
Cracks Bore Wear Scratches Grooves Obstructions Nicks Burrs Scratched mounting faces Damaged Threads Wear on clutch disc engagement points
What do you inspect Shafts for?
Cracks
Worn Mating Surfaces
Spline Wear
What do you inspect Friction Discs for?
Burrs Embedded Particles Pitted Friction Material Cracks Distortion Flaking Friction Material Damaged Spline Teeth
What do you inspect Clutch Reaction Plates for?
Burrs Embedded Particles Cracks Distortion Damaged Spline Teeth
