Table of Contents
Advertisement
Contents
16.6 Note orientation and remove self-locking ring (3) and pin (4) to separate pan brake link arm (5)
and pan brake fork end (6).
16.7 Remove pin (17) from tilt brake link arm (18) to free connecting link (22) if required.
16.8 Referring to
link (43) and tilt brake bell crank (8). If required, pull out tilt brake pivot pin (7).
Pan drag/brake mechanism
17
To remove the pan drag/brake mechanism, proceed as follows
17.1 Carefully prise out the knob bung (17)
17.2 Remove screw (16) and washer (15). Pull off the drag knob (18) and remove drag knob boss
(14).
17.3 Remove three screws (19) securing pan drag knob shaft disc (20) to base. Remove the pan drag
knob shaft assembly.
17.4 If required, drive out pin (13) to separate disc (20), washer (21) and pan drag knob shaft (22).
NOTE: When seven screws (11, 12) are removed the brake reaction plate (item 25,
freed from the pan drag/brake assembly.
17.5 Note orientation and remove four screws (11) and three screws (12) securing pan drag/brake
assembly (10) and brake reaction plate (item 25,
17.6 To dismantle the pan drag/brake mechanism, proceed as follows
NOTE: The drum enclosure contains Vinten fluid No. 3. A good supply of clean rags should be to
hand.
17.7 Remove screw (2), bonded seal (3) and three screws (39) from lid/rivet bush assembly (1). Install
two M4 screws in threaded holes in lid to assist in removal of lid/rivet bush assembly. Discard 'O' ring
(4) and three 'O' rings (38).
17.8 Clean out the Vinten fluid No. 3.
NOTE: The design of the pan drag actuator components was changed at Serial No. 3051 to
improve serviceability. Discard and replace rod (37), locknut (36) and coupling (29) on
earlier heads. Note that these components have left-hand threads and are secured with
Loctite 638. Careful application of heat to these components may separate them. If not, rod
(37) should be cut through at its unthreaded portion and manoeuvred out of the drag plate
subassembly.
17.9 Remove circlip (31) and wave washer (32). Slacken locknut (36), noting that the locknut has a
left-hand thread. Unscrew coupling (29) to withdraw coupling seal disc (33) from drag plate
subassembly (16). Remove and discard 'O' ring (34) from coupling seal disc.
Fig
6.10, remove self-locking ring (9) and headed pin (44) to separate connecting
First
Page
(Fig
6.3):
Fig
6.4) to base
(Fig
Previous
Next
Previous
Page
Page
View
Fig
6.4) will be
6.4):
35
Advertisement
Table of Contents
