JLG M400 Operator Manual - Manual (Page 93)

SECTION 6 - GENERAL SPECIFICATIONS & OPERATOR MAINTENANCE
3121644 – JLG Lift – 6-11
2. Swing Bearing/Worm Gear Teeth
Lube Point(s) - Grease Fittings
Capacity - Spray On
Lube - OG or Mobiltac375NC
Interval - A/R
Comments - If necessary install grease fittings into worm gear
housing and grease bearings.
NOTE: OG will allow better cycle times than Mobiltac375NC, however
Mobiltac375NC must be used in dusty environments. If the swing
function becomes noisy and/or rough lubricate the bearing
teeth.
DO NOT OVERGREASE BEARINGS. OVERGREASING BEARINGS WILL RESULT IN BLOW-
ING OUTER SEAL IN HOUSING.