Eagle ICA-D212-725, Инструкция по эксплуатации

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ICA-D212-725 (63)
Page 113 of 144
CHAPTER 63 – MAIN ROTOR DRIVE SYSTEM (63-00-00)

COPYRIGHT

2007 BY DART AEROSPACE LTD.

THIS DOCUMENT IS PRIVATE AND CONFIDENTIAL AND IS SUPPLIED ON THE EXPRESS CONDITION THAT IT IS NOT TO BE USED FOR ANY PURPOSE OR COPIED OR COMMUNICATED TO ANY
OTHER PERSON WITHOUT WRITTEN PERMISSION FROM DART AEROSPACE LTD.
Revision:
6
Date: 13.08.26
63.7.6 No. 2 Hydraulic Pump Drive Quill
A drive quill located on the front of the
transmission main case drives the no. 2 hydraulic
pump by splined connection to its gear shaft.
63.7.6.1 Removal
SPECIAL TOOLS REQUIRED
NUMBER NOMENCLATURE
T100338 Jackscrew set
63.7.6.1.1 Open transmission forward
cowling.
63.7.6.1.2
Remove no. 2 hydraulic pump
(Chapter 29).
63.7.6.1.3
Using a sharp non-metallic
scraper, cut sealant around edge of quill. Clean
sealant from jackscrew holes.
63.7.6.1.4
Remove six bolts and washers
around drive quill mounting flange (Figure 63-50).
63.7.6.1.5
Install T101338 jackscrew set and
tighten evenly to pull quill from transmission case.
63.7.6.1.6
Remove packing from quill sleeve.
Discard packing.
63.7.6.2 Cleaning
MATERIALS REQUIRED
Refer to BHT-ALL-SPM for specification and
source.
NUMBER NOMENCLATURE
C-309 Methyl-Ethyl-Ketone (MEK)
63.7.6.2.1
Clean remaining sealant from quill
and transmission. Use caution to prevent sealant
from entering transmission or internal parts of quill.
Use sharp, non-metallic scraper, MEK (C-309),
and clean, lint-free cloths to remove old sealant.
63.7.6.2.2
Dry with filtered, compressed air.
63.7.6.3 Inspection
63.7.6.3.1
Inspect quill for damage, corrosion
and excessive wear.
63.7.6.3.2
Rotate pinion in sleeve and check
for rough bearing.
CAUTION
REPLACE HYDRAULIC PUMP DRIVE QUILL AS
A COMPLETE ASSEMBLY IF QUILL DOES NOT
MEET INSPECTION REQUIREMENTS, IF
THERE IS AN ABNORMAL GEAR PATTERN,
AND/OR IF THERE IS EVIDENCE OF BEARING
FAILURE.
63.7.6.4 Repair
For repair and overhaul instructions, refer to BHT-
212-CR&O.
63.7.6.5 Installation
MATERIALS REQUIRED
Refer to BHT-ALL-SPM for specification and
source.
NUMBER NOMENCLATURE
C-308 Sealant
63.7.6.5.1
Ensure mating surfaces of quill
sleeve and case are clean and undamaged.
63.7.6.5.2
Install new packing on quill
(Figure 63-50). Lubricate packing and mating
surfaces of quill and case with transmission oil
(Chapter 12).
63.7.6.5.3
Apply heat lamp (or 250 watt light
bulb) to mounting port in transmission main case.
Heat case until it is hot to the touch with bare
hands.
63.7.6.5.4
Insert quill into transmission with
oil hole in quill sleeve straight up. Exercise
caution to prevent damage to pinion and gear