MAULE Orion M-7-260C Maintenance Manual page 10

5. Clean gascolator screen.
6. Re-torque bolts attaching engine mount-to-fuselage, engine-to-engine mount.
Visually inspect mount structure for condition. See "Engine Mount" under
"Power Plant System".
7. Inspect induction system and air box for cracks and security.
B. AIRCRAFT
1. Remove right and left kick panels in cockpit, windshield side post covers and
panels below seat fronts. Examine rudder cables (located behind kick panels)
and attaching clamps, bolts and nuts for security and general condition.
2. Examine all front cockpit electrical connections and wires, fuel lines and fittings,
control cable attachments and pulleys for security, leaks, chafing, etc.
3. Remove rear seat, rear floorboard and panel behind baggage compartment.
4. Inspect all control cables, pulleys, fairings and electrical connections and wires
for security and chafing.
5. Open zippers in headliner and inspect all control cables, pulleys, fairleads and
electrical connections and wires for security and chafing.
6. Remove wing root fairings and inspect control cables, fairleads, fuel lines and
connections, and electrical wires and connections for security, chafing, and
leaks.
CAUTION: If a wing has been removed and reinstalled, or a new wing installed, visually inspect the
routing of aileron cables through the inspection hole cover located on underside of wing, aft of rear
spar and outboard of wing strut attach brackets. Ascertain that cables are not over the strut attach
bracket and that they are properly routed through the fairleads and around the pulleys.
8. Remove wing strut fairings, top and bottom, and inspect attaching fittings and
bolts for security, corrosion, and cracks. Carefully inspect both sides of lift
struts for abrasion, corrosion, pinholes, and punctures. Any paint loss or minor
corrosion should be sanded down to bare metal with fine sandpaper and metal
primer should be applied. After the primer is dried, a finish coat of the desired
color may be added. Powder coating is recommended if complete strut is being
refinished.
If powder coating exterior of sealed strut assembly, remove plug from lower end before painting. Oil-
coat internal walls of strut as follows (to be done after painting only): Inject into strut approximately
one quart of Valoil or Lionoil Multi-purpose L-1, Linseed Oil, Paralketone, LPS-3, Randolph Tube Oil
No. 315, Tubeseal (Lineoil) or any other preservative oil conforming to Federal Spec. TT-S-176D, Mil-
C-82309E, Type II or Mil-C-6708, Type I. Reinstall plug and slosh oil until interior of strut is thor-
oughly coated. Remove plug and drain oil from strut. Reinstall plug. Optional: pressure test to 4 psi
+/-1 for leaks using soap solution.
Rev. C
MAULE AEROSPACE TECHNOLOGY, INC.
MAINTENANCE MANUAL
M-7-260C
FOR
10/37
MECH INSP