Meritor 17X - Hypoid Gear Pattern Tables

40 Meritor Differential Carrier 17X
3 Hypoid Gear Contact Patterns
OPTIMAL CONTACTS
DRIVE SIDE COAST SIDE
(CONVEX SIDE RING GEAR) (CONCAVE SIDE RING GEAR)
TOP TOP
HEEL TOE HEEL
BOTTOM BOTTOM
• DRIVE SIDE : Central favouring TOE in length and Central in the profile.
• COAST SIDE : Central favouring HEEL in length and Central in the profile.
CONDITION “A”
DRIVE SIDE COAST SIDE
TOP TOP
HEEL TOE HEEL
BOTTOM BOTTOM
• DRIVE & COAST SIDE : Contact too close to the TOP
• DRIVE SIDE : Contact too close to the TOE
• COAST SIDE : Contact too close to the HEEL
• CORRECTIVE ACTIONS : Add Shims and Increase the Backlash to the maximum
CONDITION “B”
TOP TOP
HEEL TOE HEEL
BOTTOM BOTTOM
• DRIVE-COAST SIDE : Contact too close to the TOP
• CORRECTIVE ACTIONS : Check the Backlash, ADD Shims and re-set the Backlash
CONDITION “C”
TOP TOP
HEEL TOE HEEL
BOTTOM BOTTOM
• DRIVE-COAST SIDE : Contact too close to the BOTTOM
• CORRECTIVE ACTIONS : Check the Backlash, REDUCE Shims and re-set the Backlash.