TM 55-1520-240-23-1
1-87
LUBRICATION CHARTS
1-87
Sheet 1 illustrates lubrication points on the helicopter,
with reference to specific tasks. Sheet 2 illustrates oil
change requirements.
TABLE OF LUBRICANTS
SPECIFICATION
WTR
ST
MIL-G-81322
(E190)
(E190.1)
GREASE, AIRCRAFT
GENERAL PURPOSE,
WIDE TEMPERATURE
RANGE
GREASE, SYN-TECH
SYMBOLS
FREQUENCY
METHOD OF APPLICATION
GREASE GUN
100 HOURS
200 HOURS
REPACK WHEEL BEARINGS EACH TIME
THE WHEEL ASSEMBLY IS REMOVED
FOR ANY REASON.
AFTER A WATER LANDING, NO MORE THAN
THREE (3) DAYS SHALL ELAPSE WITHOUT
HAVING WHEEL BEARINGS REPACKED.
LUBRICATION INTERVAL SHOWN IS FOR
AVERAGE CONDITIONS. MORE FREQUENT
LUBRICATION MAY BE NECESSARY UNDER
EXTREMELY DUSTY CONDITIONS.
DO NO OVERGREASE THE FAN ASSEMBLY.
DO NOT BLOCK THE VENT FITTING WHILE
APPLYING GREASE.
WHEEL BEARINGS, FORWARD LANDING GEAR
TORQUE LINKS, AFT LANDING GEAR TRUNNION, AND
AFT LANDING GEAR SWIVEL HOUSING LUBRICATION
ARE CONTAINED IN TM-55-1520-240-PM.
REGREASE NOT REQUIRED FOR 145D5319-7 SHAFT.
NOTE: 1.
2.
3.
4.
5.
6.
HAND
ST
ST
AFT TRANSMISSION
OIL COOLER
FAN SHAFT
COMBINING
TRANSMISSION
OIL COOLER
FAN SHAFT
SEE NOTE 6
WTR
AFT
TRANSMISSION
OIL COOLER FAN
(TASK 6-144)
SEE NOTE 4
AFT SWASHPLATE
BEARING
(TASK 1-90)
WTR
WTR
WTR
WTR
AFT DRIVE
SHAFT BEARING
1 FITTING
(TASK 1-89)
COMBINING
TRANSMISSION
OIL COOLER FAN
(TASK 6-186)
SEE NOTE 4
FORWARD DRIVE
SHAFT BEARINGS
6 FITTINGS, 1 PER BEARING
(TASK 1-89)
FORWARD
SWASHPLATE
BEARING
(TASK 1-90)
B2310437
WTR
FORWARD DRIVE
SHAFT BEARINGS
6 FITTINGS, 1 PER BEARING
(TASK 1-89)
IDENTIFICATION
LETTER
TYPE OF
LUBRICANT
50 HOURS
WTR
1-316 Change 1
