Cessna 1969-1976 172 Series Service Manual page 41

SPECIAL INSPECTION ITEM
EACH 200 HOURS
EACH 100 HOURS
EACH 50 HOURS
CONTROL SYSTEMS
In addition to the i t e m s listed below, always check for c o r r e c t direction of
movement, c o r r e c t t r a v e l and c o r r e c t cable tension.
1. Cables, terminals, pulleys, pulley brackets, cable guards, turnbuckles
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
and fairleads
0
2 . Chains, terminals, sprockets and chain guards
0
3. T r i m control wheels, indicators, actuator and bungee
0
4. Travel s t o p s . 0
0
. . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5. Decals and labeling
6.
7.
Flap motor, transmission, limit switches, structure, linkage,
. . . . . . . . . . .
Flap control switch, flap r o l l e r s and t r a c k s and flap indicator
bellcranks, etc.
0
Elevator and t r i m tab hinges, tips and control r o d s
0
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . .
8.
9.
0
. . . . . . . . .
Elevator t r i m tab actuator lubrication and tab free-play inspection.
. . . . . . . . . . . . . . . . . . . . . . .
10. Rudder pedal assemblies and linkage
0
. . . . . . . . . . . . . . . . . . .
0
11.
12.
13. Balance weight attachment
14.
Skins (external) of control surfaces and t a b s
Internal structure of control surfaces
. . . . . . . . . . . . . . . . . . . . . .
0
0
. . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . .
Flap actuator jack screw t h r e a d s
SPECLAL INSPECTION ITEMS
13
14
1
First 25 hours: Refill with straight mineral oil (non-detergent) and use until a total of 50 hours have
accumulated or oil consumption has stabilized, then change to ashless dispersant oil. Change oil each
50 hours if engine is NOT equipped with external oil filter; if equipped with external oil filter, change
filter element each 50 hours and oil a t each 100 hours; o r every 6 months.
I
2
Clean f i l t e r s p e r paragraph 2-22. Replace
as
required.
3
Replace hoses
at
engine overhaul o r a f t e r 5 years, whichever comes first.
4
General inspection every 50 hours. R e f e r to Section 11 or 11A for 100 hour
inspection.
Change 3 2-25