Transmission And Drive System; Main Transmission Oil Fill/Add; Drain The Main Transmission - MD Helicopters MD Explorer Servicing And Maintenance

CSP−900RMM−2

6. Transmission and Drive System

A. Main Transmission Oil Fill/Add
(Ref. Figure 209)
Consumable Materials
(Ref. CSP−SPM)
Item Nomenclature
C106 Oil, Lubricating
C122 Oil, Lubricating
3
4
1. HELI−LOCK DRAIN ATTACHMENT
2. CHIP DETECTOR HOUSING (REF. IPL, 63−30−00, FIG.
1)
3. FILLER CAP (REF. IPL, 62−00−00, FIG. 2)
4. SIGHT GAGE (REF. IPL, 63−30−00, FIG. 1)
Figure 209. Main Transmission Oil Servicing
Add lubricating oil (C122) to
CAUTION
900D1400006-101 transmis­
sions only. Do not add lubricating oil (C122)
to other transmissions, damage will occur.
(1). Open Access Panel R210 (ref. Section
06-00-00).
(2). Open filler cap (3).
Page 216
Revision 34
MD Helicopters, Inc.
Rotorcraft Maintenance Manual
2
1
9G12−004
12-00-00
Do not put too much oil in trans­
CAUTION
mission. A too full transmission
can cause very high pressure fluctuations.
Oil, Lubricating (C122)
Oil, Lubricating (C106)
(3). Add the correct lubricating oil to
transmission.
(4). Examine the quantity of oil in the
transmission at sight gage (4).
NOTE:
Keep oil level between ADD and 1/2
FULL.
(5). Close filler cap (3).
(6). Close Access Panel R210 (ref. Section
06-00-00).
B. Drain the Main Transmission
(Ref. Figure 209)
Special Tools
(Ref. CSP−SPM)
Item Nomenclature
T307 Heli−Lock Drain Attachment
(1). Open Access Panel R210 (ref. Section
06-00-00).
(2). Remove the chip detector (ref. Section
63-20-00).
(3). Put open end of heli-lock drain attach­
ment (T307) (1) in an applicable
container.
Oil, Lubricating (C122)
Oil, Lubricating (C106)
(4). Install heli-lock drain attachment
(T307) (1) in chip detector housing (2).
(5). After the oil drains, remove heli-lock
drain attachment (T307).
(6). Install the chip detector (ref. Section
63-20-00).
(7). Close Access Panel R210 (ref. Section
06-00-00).