MODEL H600/P660/L800 GENERAL
F12536 (Rev. A, December 2005) Page 6 of 88
EXAMPLE OF LOW OIL LEVEL
Transmission
NOTE: The oil level should not be below the oil level
gauge line printed on sight glass while the mixer is
off. Change the oil every three years or more
frequently with heavy usage.
CAUTION: Overfilling transmission case may
result in oil leakage.
1. Drain the oil.
A. Remove splash guard, if present.
B. Remove top cover.
C. Place a large pan under drain plug to catch
old oil.
D. Remove drain plug from transmission case
and drain oil.
E. Replace drain plug.
NOTE: The fill plug also acts as an airway for the
transmission case for venting. Verify that fill plug is
open. If the fill plug becomes clogged, transmission
oil will leak out around the seals and/or gaskets.
2. Remove fill plug from top cover of transmission.
3. Service mixer with oil (Mobile Gear 634).
A. Verify oil level is correct by observing oil
level through sight glass.
B. Apply power and turn mixer ON. Look
inside oil fill hole (1, photo 6568).
C. Make certain that oil is flowing from the oil
delivery tube across the gear face
(1, photo 6602).
NOTE: If oil is not flowing, shut mixer OFF and refer
to MECHANICAL SERVICE found under
TRANSMISSION.
D. Replace fill plug and top cover.