MD Helicopters MD Explorer - Aft Rail Holder Assembly Installation; Forward Rail Holder; Forward Rail Holder Removal; Forward Rail Holder Installation

CSP−900RMM−2MD Helicopters, Inc.
Rotorcraft Maintenance Manual
Page 405
Original
25-10-00
(3). Disengage lock system assembly (47)
from seat adjustment rails (2) by
moving adjustment lever (3) under
front of seat pan assembly (39).
(4). Remove rail holder assembly (45).
(5). Remove nuts (20), washers (33) and
bolts (18) attaching lock system (47) to
aft rail holder (45).
B. Aft Rail Holder Assembly Installation
(Ref. Figure 401)
(1). Install bolts (18), washers (33) and nuts
(20) attaching lock system assembly
(47) to aft rail holder assembly (45).
(2). Retract lock system (47) by moving
adjustment lever (3) under front of seat
pan assembly (39).
(3). Slide aft rail holder assembly (45) onto
adjustment rail assembly (2).
(4). Install bolt (28), washers (8 and 29) and
nut (27) attaching lower end of diagonal
support (44), tie tube assembly (50) and
aft roller assembly (48) to aft rail
holder (45). Install new cotter pin (26).
(5). Install crew seat assembly (4) in
aircraft.
12. Forward Rail Holder
A. Forward Rail Holder Removal
(Ref. Figure 401)
(1). Remove crew seat assembly (4).
(2). Remove forward rail stop (1) with pull
up cable (12) attached.
(3). Remove and discard cotter pin (26).
Remove nut (27), washers (8 and 51)
and bolt (31) attaching upright support
assembly (43), tie tube assembly (50)
and forward roller assembly (49) to
forward rail holder (46).
(4). Remove forward rail holder (46).
B. Forward Rail Holder Installation
(Ref. Figure 401)
(1). Align forward roller assembly (49) in
upright support assembly (43) and
route pull up cable (12) around roller
assembly (49).
(2). Install bolt (31), washers (8 and 51) and
nut (27) attaching support assembly
(43), tie tube assembly (50) and forward
roller assembly (49) to forward rail
holder (46). Install new cotter pin (26).
(3). Install forward rail stop (1) with pull up
cable (12) attached.
(4). Install crew seat assembly (4) in
aircraft.
13. Forward Roller Assembly
A. Forward Roller Assembly Removal
(Ref. Figure 401)
(1). Remove crew seat assembly (4).
(2). Remove forward rail stop (1) with pull
up cable (12) attached.
(3). Remove and discard cotter pin (26).
Remove nut (27), washers (8 and 51)
and bolt (31) attaching upright support
assembly (43), tie tube assembly (50)
and forward roller assembly (49) to
forward rail holder (46).
(4). Remove forward roller (49).
B. Forward Roller Assembly Installation
(Ref. Figure 401)
(1). Align forward roller assembly (49) in
upright support assembly (43) and
route pull up cable (12) around roller
assembly (49).
(2). Install bolt (31), washers (8 and 51) and
nut (27) attaching support assembly
(43), tie tube assembly (50) and forward
roller assembly (49) to forward rail
holder (46). Install new cotter pin (26).
(3). Install forward rail stop (1) with pull up
cable (12) attached.