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Hewland JFR User Manual
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1
© Copyright Hewland Engineering Limited 2001
-2009
SER
VICING INSTRUCTIONS
AND ILLUSTRA
TED
P
ARTS LIST FOR THE FTR F
A
MIL
Y
OF HEWLAND
GEARBOXES, COVERING FTR, FTRS, FTRL, JFR &
LJS UNITS.
HEWLAND ENGINEERING L
TD
W
AL
THAM ROAD, WHITE W
AL
THAM,
MAIDENHEAD, BERKSHIRE,
SL6 3LR, ENGLAND
TELEPHONE: +44 (0)1628 827600
Last Updated 23rd March 2009
2
Table of Contents
Table of Contents
3
Technical Specification & Gear Selection
7
General Notes
8
Differential Bearing Preload & Crownwheel Backlash Setting
9
Fig. 1 Backlash Adjustment
10
Fig. 2 Differential Bearing Preload
11
Pinion Setting
12
Fig. 3 Pinion Shaft Setting
12
Sequential Fork Setting
13
Fig. 4 Sequential Barrel Setting
13
Powerflow Differential
14
Fig. 5 Powerflow Diff Assembly
14
FTR-212-ADJ Backlash Adjustment
15
Fig. 6 FTR-212-ADJ Assembly
15
Fig. 7 Graph Relating Turns to Preload Increase (FTR-212-ADJ)
16
Gearbox Assembly
17
FTR/JFR 6 Speed Illustrated Parts List
19
Fig. 8 Casing & Associated Parts - 6 Speed (Not FTRE Ratios)
20
Fig. 9 Layshaft Assembly - 6 Speed (Not FTRE Ratios)
21
Fig. 10 Pinion Shaft Assembly - 6 Speed (Not FTRE Ratios)
22
Fig. 11 Selector Assembly - 6 Speed (Not FTRE Ratios)
23
FTR/JFR 6 Speed (with FTREL Barrel) Illustrated Parts List
28
Fig.12 Selector Assembly -6 Speed (FTREL Barrel Only)
28
FTR/JFR 6 Speed Conversion to 5 Speed
30
Fig.13
30
FTR 6 Speed (Fitted with FTRE Ratios) Illustrated Parts List
31
Fig.14
32
Fig.15 Layshaft Assembly - 6 Speed (FTRE Ratios)
33
Fig.16
34
Fig.17
35
FTR/JFR 5 Speed Illustrated Parts List
39
Fig.18
40
Fig.19
41
Fig.20
42
Fig.21
43
FTRS 6 Speed Illustrated Parts List
48
Fig.22 FTRS Additional Parts
48
Bearing Carrier Options
49
Fig.23 Bearing Carrier Options
49
Differential Options Illustrated Parts List
50
Fig.24 Tripod Differential Assembly
51
Fig.25 FTR-212-FD
52
Fig.26 FTR-212
52
Fig.27 FTRL-212
54
Fig.28 Tripod Adjustable Differential Assembly
55
Fig.29 FTR-212-ADJ
56
Fig.30 Flanged Free Differential
57
Fig.31 LJS-212-F
58
Fig.34 LJS-212-F
61
Fig.35 Flanged LSD Differential Inboard Brake Discs
62
Fig.36 LD-212
63
Typical Ramp Orientation
64
Fig.37 Ramp Orientation
64
Gearbox Tooling
65
Fig.38 Gearbox Tooling
65
Installation Drawings
67
Fig.39
68
Fig.40
69
Fig.41 Installation Drawing - Bearing Carriers
70
Fig.42A-C Installation Drawing - Flanges
71
FTRL Hubbed 2Nd Gears
74
Fig.43 FTRL Hubbed Gears
74
Technical Bulletins
75
Fig.44
77
Fig.45
78
Fig.46
79
Fig.47
85
Fig.48
89
Fig.49
90
General K-Nut Tightening Torques
92
Manual Modification History
93
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Hewland JFR Specifications
General
Brand
Hewland
Model
JFR
Category
Microphone system
Language
English
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