Powerplant; Engine Oil System Draining; Engine Oil System Filling/Replenishing - MD Helicopters MD Explorer Servicing And Maintenance

7. Powerplant

A. Engine Oil System Draining
Consumable Materials
(Ref. CSP−SPM)
Item Nomenclature
C702 Lockwire
NOTE:
This task is typical for the left or the
right engine.
(1). Open Access Panel L210 or R210 (ref.
Section 06-00-00).
Oil, Lubricating (C106)
(2). Remove lockwire and disconnect engine
oil out hose from oil cooler heat ex­
changer.
(3). Place engine oil out hose end into
suitable container.
(4). Engage the rotor brake (ref. applicable
RFM).
Obey the starter limits (ref. ap­
CAUTION
plicable RFM). Damage to the
starter can occur.
(5). Dry-motor the engine for 30 seconds
minimum (ref. applicable RFM).
(6). Connect engine oil out hose to oil cooler
heat exchanger.
(a). Torque nut.
(b). Safety with lockwire (C702).
B. Engine Oil System Filling/Replenishing
(Ref. Figure 213)
Consumable Materials
(Ref. CSP−SPM)
Item Nomenclature
C106 Oil, Lubricating
MD Helicopters, Inc.
Rotorcraft Maintenance Manual
NOTE:
gine.
(1). Open oil dipstick hand hold TL218 or
CAUTION
D Do not mix different brands or types of oil,
D If different brands or types of oil become
D Record oil brand and type in the Rotor­
NOTE:
D Check oil level 10 minutes after engine
D Correct oil level is when observed level is
(2). Remove engine oil filler cap.
(3). Refill engine oil tank with lubricating
(4). Install and lock engine oil filler cap.
12-00-00
This task is typical for left and right en­
TR218 (ref. Section 06-00-00).
Oil, Lubricating (C106)
their chemical structure may make them
incompatible.
mixed, drain entire oil system and refill
with new oil.
craft Log Book and the applicable engine
log book.
shutdown, to reduce the possibility of
over-filling the oil tank.
between MAX and MIN marks on the oil
dipstick. Filling oil tank to MAX may re­
sult in oil being vented overboard, caus­
ing a buildup of carbon deposits on the
tailboom and empennage. Should this oc­
cur, monitor engine oil level without add­
ing oil (unless oil level falls below MIN) to
determine if the level stabilizes at some
point between MAX and MIN. When this
level is determined, fill oil to and main­
tain that level.
oil (C106).
(a). Place dipstick in gearbox.
(b). Make sure dipstick off-set of cap is in
line with off-set hole of gearbox oil
filler tube.
CSP−900RMM−2
Page 219
Revision 34