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PRESSURE LIGHT TEMPERATURE INDICATOR
ABAA
Validity : S / N 1 — 9999 Lubrication — Schematic
Figure 2A — With additional cooler
79-00-00 (DA) Page 4 JUL 99
STORAGE
DESCRIPTION AND OPERATION
1. GENERAL
The storage permits the engine oil filling and drainage.
The system consists of :
- oil sump,
- quick drain valve,
- gage.
2. LOCATION (Figure 1)
COMPONENT QTY AREA ACCESS DOOR REFERENCE
Oil sump 1 130 131 79-10-02
Quick drain valve 1 130 131 79-10-01
Gage 1 120 122 79-10-00
3. DESCRIPTION
A. Oil sump
The sump is the element of the system located under the engine that collects and stores oil necessary for engine operation. This sump is equipped with a strainer-type oil filter on its rear area.
B. Quick drain valve
A valve located under the engine casing allows a quick drain of the latter. It is accessible by a door (if installed) on the lower engine cowling or by removal of the latter.
C. Gage
A door located on the upper engine cowling allows access to the filler neck and to the gage fixed on the cap. The latter is calibrated in U.S. quarts and allows a visual inspection of the oil level in the engine casing.
QUICK DRAIN VALVE
REMOVAL / INSTALLATION
1. REMOVAL OF QUICK DRAIN VALVE (Figure 401)
A. Tools and consumable materials
None
B. Procedure
WARNING : PRIOR TO ANY OPERATION, ENSURE THAT THE KEY IS REMOVED FROM MAGNETO SELECTOR AND THAT "MAIN SWITCH" IS OFF.
IF AIRCRAFT IS EQUIPPED WITH DISCONNECT PLUG ON FIREWALL, DISCONNECT "MAGNETO DISCONNECT" PLUG AND CONNECT IT TO "GROUND MAGNETO FOR SERVICING" PLUG.
WARNING : PRIOR TO ANY OPERATION, ENSURE THAT THE ENGINE, EXHAUST PIPE AND MANIFOLDS ARE COLD. IF NOT, TAKE NECESSARY PRECAUTIONS TO AVOID SEVERE BURNS.
1) Remove the engine cowlings - refer to 71-10-01.
2) Drain the oil system - refer to 12-12-02.
3) Cut off and discard lockwire (1).
4) Remove valve (2).
2. INSTALLATION OF QUICK DRAIN VALVE (Figure 401)
A. Tools and consumable materials
- Petrolatum (TB 04-003)
- Stainless steel lockwire, dia. 0.032 in (0.8 mm)
- Torque wrench 0 to 265 lbf.in (0 to 30 N.m)
B. Procedure
WARNING : PRIOR TO ANY OPERATION, ENSURE THAT THE KEY IS REMOVED FROM MAGNETO SELECTOR AND THAT "MAIN SWITCH" IS OFF.
IF AIRCRAFT IS EQUIPPED WITH DISCONNECT PLUG ON FIREWALL, DISCONNECT "MAGNETO DISCONNECT" PLUG AND CONNECT IT TO "GROUND MAGNETO FOR SERVICING" PLUG.
WARNING : PRIOR TO ANY OPERATION, ENSURE THAT THE ENGINE, EXHAUST PIPE AND MANIFOLDS ARE COLD. IF NOT, TAKE NECESSARY PRECAUTIONS TO AVOID SEVERE BURNS.
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本文链接地址：TB20 MAINTENANCE MANUAL 79 润滑 TB20飞机维护手册(4)
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