BHT-212-MM-1
5-00-00
26 JUN 2013 Rev. 14 Page 157Export Classification C, ECCN EAR99
5-38. EACH 600 HOURS OF TRANSMISSION OPERATION
DATA REFERENCE INSPECTION TASK DESCRIPTION
INITIAL
MECH OTHER
DATE: __________________W.O. _____________________
FACILITY: __________________________________________
HELICOPTER S/N: ___________________________________
REGISTRY NO.: _____________________________________
TOTAL TIME:_______________________________________
SIGNATURE:________________________________________
Accomplish each 600 hours inspection of
transmission operation.
TRANSMISSION ASSEMBLY 212-040-001-115, -119, -123,
AND -127
ā Inspect
1. Remove input pinion quill assembly and No. 2 hydraulic
pump drive quill from transmission main case. Dimensionally
inspect input pinion quill bore diameter of main case for
out-of-round condition. Input quill bore shall be 6.7521 inches
(171.5033 mm) and maximum out-of-round condition (maximum
diameter ā minimum diameter) shall be 0.0030 inch (0.0762
mm). Replace case assembly if bore diameter exceeds
maximum conditions. Dimensionally inspect No. 2 hydraulic
pump quill bore of main case assembly for out-of-round
condition. Hydraulic drive quill bore maximum diameter shall be
5.0021 inches (127.05 mm) and maximum out-of-round
condition shall be 0.0030 inch (0.0762 mm). Replace case
assembly if bore diameter exceeds maximum conditions.