Textron Bell 412, Руководство по обслуживанию

Страница: 62 / 288

BHT-412-MM-2
5-00-00
Page 30
Rev. 16 26 FEB 2013 Export Classification C, ECCN EAR99
Chapter 29 HYDRAULIC SYSTEMS
1. Inspect all lines and hoses for security and general
condition.
Every sixth 100 hour inspection (600 hours) or 12 months:
NOTE
Hydraulic filter elements 205-076-034-003 are
non-cleanable. It is recommended they be replaced
every 600 hours or 12 months. Filter elements
205-076-034-007 are cleanable. The -003 and -007
elements are interchangeable; intermixing of
different element types is not permitted.
1. Remove and inspect hydraulic filter elements.
2. Discard or clean filter elements as applicable.
3. Install hydraulic filter elements.
Chapter 63 4. Install 0 to 500 PSI (0 to 3447 kPa) gauge in quick
disconnect at rotor brake caliper. Slowly pull rotor brake handle
through travel. Cylinder should generate 240 to 260 PSI (1655
to 1793 kPa) at any handle velocity and shall maintain 150 PSI
(1034 kPa) minimum in over center position for 3 minutes.
Adjust as necessary.
5. Inspect brake linings for wear (minimum thickness
0.150 inch).
Chapter 32 LANDING GEAR
1. Inspect landing gear crosstube assemblies, skid tubes, and
skid shoes, for condition and security of attachment. Inspect
crosstube retention cap (rubber bumper pads) for condition and
security of attachment.
2. Aft crosstube assemblies support beam for cracks,
damage, corrosion, and security of attachment.
3. Crosstube to skid tube saddle bolts for tightness.
SCHEDULED INSPECTIONS
5-6. 100 HOUR/12 MONTH INSPECTION — PART A (CONT)
DATA REFERENCE INSPECTION TASK DESCRIPTION
INITIAL
MECH OTHER