| Tweet |
Custom Search
|
|
|
||
 TM 55-1925-273-10-1
OPERATOR'S MANUAL
INLAND AND COASTAL LARGE TUG (LT)
DESCRIPTION AND USE OF OPERATOR CONTROLS AND INDICATORS
SHAFT ALLEYS
STARBOARD SHAFT ALLEY
1
23
7
6
4
5
Figure 1. Starboard Shaft Alley
Table 1. Starboard Shaft Alley (refer to figure 1)
Key
Control/Indicator
Function
1
CA-67, SVCE AIR TO STERN
This valve secures the flow of air pressure for inflation of the shaft seal.
TUBE
2
GS-43, COV-ST TUBE SEAL S
This valve secures the flow of raw water to the shaft seal.
3
GS-107, DR ST TUBE SEAL
When OPEN, this valve drains the raw water from the shaft seal into the
bilge.
4
Shaft Seal
The shaft seal prevents excess raw water leakage around the propeller shaft
and into the vessel.
5
Fwc-3, F.W. FR. M.E. No. 1
This valve secures the flow through the keel cooler for main engine 1.
TO KEEL CLR.
6
Shaft Seal Check Valve
The shaft seal check valve provides over inflation protection for the shaft seal.
7
Cutoff Valve, Seal Vent
When OPEN, this valve vents the shaft seal to prevent air pockets from
forming in the flush water area of the shaft seal.
0047 00-1
|
||
|
||
