Teledyne TSIO-360-RB, Maintenance Manual

Page: 155 / 206

19-11
TROUBLE PROBABLE CAUSE CORRECTION
High Oil Temperature Indication
(cont’d) Oil viscosity too high Drain and refill with correct seasonal
weight. See Chapter 7, "Servicing Oil".
Prolonged ground operation Limit ground operation to a minimum, refer
to airframe manufacturer's operating
instructions.
Malfunctioning gauge or bulb unit Check wiring. Check bulb unit. Check
gage. Refer to airframe manufacturer's
instructions.
Low Oil Pressure Indication Low oil supply, Oil viscosity too low Replenish. Drain and refill with correct
seasonal weight. See Chapter 7,
"Servicing Oil".
Malfunctioning pressure pump Replace pump. See Section 19-5, "Oil
Pump".
Malfunctioning pressure gauge Check gauge. Clean plumbing. Replace if
required in accordance with airframe
manufacturer's instructions.
Weak or broken oil pressure relief
valve spring Replace spring. Adjust oil pressure in
accordance with Section 23-2, "Oil
Pressure Adjustment".
Clogged Oil Filter See Section 19-5," Oil Filter".
Oil Pressure Maladjusted Adjust oil pressure in accordance with
Section 23-2, "Oil Pressure Adjustment".
19-5 LUBRICATION SYSTEM MAINTENANCE
Oil Pump - The accessory case may be removed in accordance with applicable portions of
accessory case disassembly/reassembly instructions in L/TSIO-360 Series Overhaul
Manual, Form X30596A. See Section 23-4 for oil pressure adjustment.
NOTE. . . Repairs other than stoning nicks on parting flanges, replacement of studs, worn
parts and refacing the oil pressure relief valve seat on the oil pump housing are not
possible. The oil pump driven gear shaft is pressed into the accessory case pump
housing and cannot be replaced. The pump gear chamber must not be enlarged. If it is
scored, the accessory case must be discarded. Heavy scoring on the gear contact area
of the oil pump cover renders it unserviceable. See Section 19-3, "100 Hour Inspection"
for oil pressure relief valve seat refacing. Discard accessory cases with oil pump housing
that exhibit cracks or that are worn beyond specified limits.
Oil Filter Adapter - Repairs other than stud replacement, worn parts replacement, and
stoning nicks on parting flanges, are not possible. Discard oil filter adapters that exhibit
cracks. The oil filter adapter stud must be inspected and replaced if necessary in
accordance with Section 19-3," Oil Filter Adapter Inspection."
Oil Filter - Cut safety wire and remove the filter. Using an oil filter can cutter, open can
and inspect the oil filter element.
Oil Sump - If repair or replacement is required, the oil sump assembly may be removed
from the engine in the aircraft provided clearance is available. After clearance has been
gained, the oil sump may be removed and reinstalled in accordance with the L/TSIO-360
Series Overhaul Manual, Form X30596A. Whenever oil sump is removed for