Ingersoll-Rand Schlage ND Series User manual

ND Series Service Manual

Introduction.......................................................................iii
Changes and Additions ...................................................iv
Lock Assembly Drawing Index......................................1-6
Chassis..........................................................................7-37
ND10................................................................................7
ND12 and ND80...............................................................8
ND12 and ND80 RX.........................................................9
ND12EL and ND80EL....................................................10
ND12EL and ND80EL RX..............................................11
ND12EU and ND80EU...................................................12
ND12EU and ND80EU RX.............................................13
ND170............................................................................14
ND25..............................................................................15
ND25X70 .......................................................................16
ND25X80 .......................................................................17
ND30, ND40 and ND44 .................................................18
ND50 and ND53.............................................................19
ND60..............................................................................20
ND66..............................................................................21
ND70..............................................................................22
ND70X80 .......................................................................23
ND72..............................................................................24
ND72 Vandlgard®..........................................................25
ND73..............................................................................26
ND75..............................................................................27
ND85..............................................................................29
ND91 and ND92.............................................................30
ND93..............................................................................31
ND94..............................................................................32
ND95..............................................................................33
ND96..............................................................................34
ND96EL .........................................................................35
ND96EU.........................................................................36
ND97..............................................................................37
Trim Assemblies.........................................................38-79
ND10..............................................................................38
ND12..............................................................................39
ND12 RX........................................................................40
ND12EL .........................................................................41
ND12EL RX ...................................................................42
ND12EU.........................................................................43
ND12EU RX...................................................................44
ND170............................................................................45
ND25..............................................................................46
ND25X70 .......................................................................47
ND25X80 .......................................................................48
ND40..............................................................................50
ND44..............................................................................51
ND50..............................................................................52
ND53..............................................................................53
ND60..............................................................................54
ND60 with closed outside lever......................................55
Trim Assemblies (cont.)
ND66..............................................................................56
ND70..............................................................................57
ND70X80 .......................................................................58
ND72..............................................................................59
ND73..............................................................................61
ND75..............................................................................62
ND80..............................................................................63
ND80 RX........................................................................64
ND80EL .........................................................................65
ND80EL RX ...................................................................66
ND80EU.........................................................................67
ND80EU RX...................................................................68
ND82..............................................................................69
ND85..............................................................................70
ND91..............................................................................71
ND93..............................................................................73
ND94..............................................................................74
ND95..............................................................................75
ND96..............................................................................76
ND96EL .........................................................................77
ND97..............................................................................79
Full Size IC and SFIC Configurations.......................80-81
Full Size IC—Outside.....................................................80
Full Size IC—Inside .......................................................80
SFIC—Outside...............................................................80
SFIC—Inside..................................................................80
Lever Designs.................................................................. 81
Competitor Cylinder Options .........................................82
Roses................................................................................ 83
Cylinders.......................................................................... 83
Standard ........................................................................83
Full Size Interchangeable Cores....................................83
Small Format Interchangeable Cores............................83
Latches............................................................................. 84
InstallationTools and Kits .........................................84-85
Reinforcement Kit ..........................................................85
40-147 Installation Kit ....................................................85
40-097............................................................................85
Maintenance Kit.............................................................85
Screws, Screw Packs and Special Parts ....................... 86
Screw Packs, Standard..................................................86
Screw Packs, Torx®....................................................... 86
Strikes...............................................................................86
Standard Installation Instructions ............................88-92
ND25 Installation Instructions...................................93-95
ND170 Installation Instructions.................................96-97
Electrified and RX Installation........................................ 98
Templates..................................................................99-101
Finishes.......................................................................... 102
LimitedWarranty............................................................ 103
i
ND-Series Service Manual
Table of Contents

ii
ND-Series Service Manual

Introduction
iii
ND-Series Service Manual
This manual contains a complete listing of ND-Series (Grade 1) cylindrical lock parts and assemblies manufactured by
the Schlage Lock Company.This edition lists components of ND-Series locks manufactured after November, 2003.
Exploded views of each lock chassis and trim assemblies are provided with an accompanying chart to identify parts
for replacement purposes.In addition, this manual provides lock trim ordering procedures, general cylinder information,
and all auxiliary components of the ND-Series cylindrical locks.
Introduction
Standard Features*
Certifications ANSI A156 .2, 2003, Series 4000, Grade 1, UL Listed for 3-hour fire door.
Latch 1¹⁄₈” x 2¹⁄₄”, Square corner faceplate, 1” housing diameter, ¹⁄₂” throw.
Strike 1¹⁄₄” x 4⁷⁄₈”, ANSI, Square corner, no box.
Backset 2³⁄₄”
Cylinder 6-Pin solid brass, keyed 6-pin, C123 keyway, keyed different (KD)**
Door Range Standard Lock Functions:1⁵⁄₈” - 2¹⁄₈”
Vandlgard®Lock Functions: 1⁵⁄₈” - 2¹⁄₈”
ND85: 1³⁄₄” - 2”
Keys Two nickel silver cut keys per lock, 6-pin, C123 section**
* Locks are furnished with standard features unless otherwise specified.
** Items specified in C keyway will be furnished with cylinder keyed 5-pin and with 5-pin keys unless otherwise specified.
Lock Assembly Drawing Index
The Lock Assembly Drawing Index provides visual representations and textual descriptions of available functions.
Page numbers for full trim and chassis drawings are referenced.
Outside Inside
Key Push button
Electrified
Vandlgard®Active Lever
Deadlatch
Springlatch
Turn/push button
Blank Plate
Fixed Lever
Request to Exit

ND-Series Service Manual
iv
Changes and Additions
Lock Function Additional Available Feature Notes
Competitor Cylinder Options
Available with the following
functions:
Single cylinder–
ND50D, ND53D, ND70D,
ND73D, ND80D,
ND80EL/EU & RX, ND91D,
ND92D, ND94D, ND96D,
ND96DEL/EU & RX, ND97D
Double cylinder–
ND60D, ND66D, ND75D,
ND82D, ND93D, ND95D
The following competitor lever designs are available:
Sargent Key In Lever
Sargent Full Size Interchangeable Core Cylinder
Corbin Russwin Full Size Interchangeable Core Cylinder
Yale Full Size Interchangeable Core Cylinder
Available in finishes 613, 626 and 626AM.
Additions
Changes and Additions

ND-Series Service Manual
1
Lock Assembly Drawing Index
Function ANSI A156.2, 1996, Series 4000, Grade 1 Trim Chassis
SCHLAGE ANSI DESCRIPTION OUTSIDE FUNCTION INSIDE FUNCTION Page Page
ND10 F75 Passage Latch Lever is always unlocked. Lever is always unlocked
and is always free for
immediate egress.
38 7
ND12 F89 Exit Lock Lever is fixed. Lever is always unlocked
and is always free for
immediate egress.
39 8
ND12-RX Exit Lock with
Request to Exit Same as ND12. Same as ND12.
A microswitch
attached to the chassis
is activated when the
lever is rotated.The
switch signals use of the
lever to security systems
allowing non-disruptive
egress.
40 9
ND12EL Exit Lock—
Electrically Locked
(Fail Safe)
Lever is continuously
locked by electric current
until unlocked by switch
or power failure.
Lever is always unlocked
and is always free for
immediate egress.
41 10
ND12EL-RX Exit Lock—
Electrically Locked
(Fail Safe) with
Request to Exit
Same as ND12EL. Same as ND12EL.
A microswitch
attached to the chassis
is activated when the
lever is rotated.The
switch signals use of the
lever to security systems
allowing non-disruptive
egress.
42 11
ND12EU Exit Lock—
Electrically
Unlocked
(Fail Secure)
Lever is continuously
locked mechanically
until unlocked by electric
current.
Lever is always unlocked
and is always free for
immediate egress.
43 12
ND12EU-RX Exit Lock—
Electrically
Unlocked
(Fail Secure) wtih
Request to Exit
Same as ND12EU. Same as ND12EU.
A micro switch
attached to the chassis
is activated when the
lever is rotated.The
switch signals use of the
lever to security systems
allowing non-disruptive
egress.
44 13
Lock Assembly Drawing Index
NOTE: Any function with deadlatch locks latchbolt when door is closed.See page iii for identification.

ND-Series Service Manual
2
Lock Assembly Drawing Index
NOTE: Any function with deadlatch locks latchbolt when door is closed.See page iii for identification.
*Available with Small Format Interchangeable Core.
† Caution: These locks on residences and any door in any structure which is used for egress are a life safety hazard in times of emergency
and their use is not recommended. Installation should be in accordance with existing codes only.
Function ANSI A156.2, 1996, Series 4000, Grade 1 Trim Chassis
SCHLAGE ANSI DESCRIPTION OUTSIDE FUNCTION INSIDE FUNCTION Page Page
ND170 Single Dummy
Trim Inactive trim for one
side of door. Use for door
pull or as matching
inactive trim.
45 14
ND25 Exit Lock with
Blank Plate Blank plate. Inside lever is always
unlocked and is always
free for immediate
egress.
46 15
ND25 x 70 Classroom Exit
Lock†
Per XN12-004
Blank plate. Key locks or unlocks
lever. 47 16
ND25 x 80 Storeroom Exit
Lock†
Per XN12-005
Blank plate. Key retracts latch.Lever
is fixed. 48 17
ND30 Patio Lock
Per XN12-007 Push-button locks
outside lever.Turning
inside lever or closing
door releases button.
49 18
ND40 F76 Bath/Bedroom
Privacy Lock Can be opened from
outside with small
screwdriver or
emergency release tool.
Push-button locks
outside lever.Turning
inside lever or closing
door releases button.
Inside lever is always
free for immediate egress.
50 18
ND44 Hospital Privacy
Lock Unlocked from outside
by turning emergency
turn-button.
Push-button locks
outside lever.Turning
inside lever or closing
door releases button.
Inside lever is always
free for immediate egress.
51 18
ND50 F82 Entrance/Office
Lock* Lever is
unlocked with key
when push-button
is pushed.
Push-button locks
outside lever.Turning
inside lever releases
button.Inside lever is
always free for immediate
egress.
52 19
ND53 F109 Entrance Lock* Key retracts latch when
button pushed and
turned. Lever is
unlocked with key
when push-button
is pushed.
Turn/push-button:pushing
and turning button locks
outside lever until manually
unlocked. Push-button:
pushing button locks
outside lever until unlocked
by turning inside lever.
Inside always free for
immediate egress.
53 19

ND-Series Service Manual
3
Lock Assembly Drawing Index
NOTE: Any function with deadlatch locks latchbolt when door is closed.See page iii for identification.
*Available with Small Format Interchangeable Core.
† Caution: These locks on residences and any door in any structure which is used for egress are a life safety hazard in times of emergency
and their use is not recommended. Installation should be in accordance with existing codes only.
Function ANSI A156.2, 1996, Series 4000, Grade 1 Trim Chassis
SCHLAGE ANSI DESCRIPTION OUTSIDE FUNCTION INSIDE FUNCTION Page Page
ND60 F88 Vestibule Lock* Latch retracted by
key when locked by
inside key.
Inside lever is always
unlocked and is always
free for immediate
egress.Key locks and
unlocks outside lever.
54 20
ND60 ND60With Closed
Lever Outside
Per XN12-001
Same as ND60 except
lever is closed. Same as ND60. 55 20
ND66 F91 Store Lock*† Key locks or unlocks
both levers
simultaneously.
Key locks or unlocks
both levers
simultaneously.
56 21
ND70 F84 Classroom Lock* Outside lever locked or
unlocked by key. Inside lever is always unlocked and always
free for immediate
egress.
57 22
ND70 x 80 Classroom by
Storeroom Lock†
Per XN12-006
Outside lever locked or
unlocked by key. Key in fixed lever retracts latch. 58 23
ND72 Communicating
Lock*†
Per XN12-002
Outside lever only locked
or unlocked by key. Inside lever only locked
or unlocked by key. 59 24
ND72 Communicating
Lock with
Vandlgard®*†
Per XN12-003
Same as ND72.
Vandlgard allows outside
spindle to disengage
from latch when locked.
Same as ND72.
Vandlgard allows outside
spindle to disengage
from latch when locked.
60 25
ND73 F90 Corridor Lock* Locked or unlocked
by key.When locked
by key it can only be
unlocked by key.
Push-button locks
outside lever.Turning
lever or closing door
releases button.
Inside lever is always
unlocked and is always
free for immediate
egress.
61 26
ND75 Classroom
Security Lock* Outside lever locked or
unlocked by key in either
lever.
Key locks or unlocks
outside lever. Inside lever
is always unlocked and is
always free for
immediate egress.
62 27

ND-Series Service Manual
4
Lock Assembly Drawing Index
Function ANSI A156.2, 1996, Series 4000, Grade 1 Trim Chassis
SCHLAGE ANSI DESCRIPTION OUTSIDE FUNCTION INSIDE FUNCTION Page Page
ND80 F86 Storeroom Lock* Lever is fixed.Entrance
by key only. Inside lever is always unlocked and is always
free for immediate
egress.
63 8
ND80-RX Storeroom Lock*
with Request to
Exit
Same as ND80. Same as ND80.
A microswitch
attached to the chassis
is activated when the
lever is rotated.The
switch signals use of the
lever to security systems
allowing non-disruptive
egress.
64 9
ND80EL Storeroom Lock—
Electrically Locked
(Fail Safe)*
Lever is continuously
locked electrically.
Unlocked by switch or
power failure.When
locked, key retracts latch.
Inside lever is always
unlocked and is always
free for immediate
egress.
65 10
ND80EL-RX Storeroom Lock—
Electrically
Unlocked
(Fail Safe)* with
Request to Exit
Same as ND80EL-RX. Same as ND80EL.
A microswitch
attached to the chassis
is activated when the
lever is rotated.The
switch signals use of the
lever to security systems
allowing non-disruptive
egress.
66 11
ND80EU Storeroom Lock—
Electrically Locked
(Fail Secure)*
Lever is continuously
locked mechanically until
unlocked by electric
current. When locked,
key retracts latch.
Inside lever is always
unlocked and is always
free for immediate
egress.
67 12
ND80EU-RX Storeroom Lock—
Electrically Locked
(Fail Secure)
with Request to
Exit*
Same as ND80EU-RX. Same as ND80EU.
A microswitch
attached to the chassis
is activated when the
lever is rotated.The
switch signals use of the
lever to security systems
allowing non-disruptive
egress.
68 13
ND82 F87 Institution Lock*† Lever is fixed. Entrance
by key only. Lever is fixed.Exit by key only. 69 28
NOTE: Any function with deadlatch locks latchbolt when door is closed.See page iii for identification.
*Available with Small Format Interchangeable Core.
† Caution: These locks on residences and any door in any structure which is used for egress are a life safety hazard in times of emergency
and their use is not recommended. Installation should be in accordance with existing codes only.

ND-Series Service Manual
5
Lock Assembly Drawing Index
Function ANSI A156.2, 1996, Series 4000, Grade 1 Trim Chassis
SCHLAGE ANSI DESCRIPTION OUTSIDE FUNCTION INSIDE FUNCTION Page Page
ND85 Faculty Restroom
Lock Lever is fixed. Entrance
by key only. Push-button activates occupancy indicator,
allowing only emergency
master key to operate.
Turning lever or closing
door releases indicator.
Spanner-button rotation
provides lock-out feature.
Inside lever is always
free for immediate
egress.
70 29
ND91 F82 Entrance/Office
Lock with
Vandlgard®*
Lever is unlocked with
key when push-button
is pushed.Vandlgard
allows outside spindle
to disengage from latch
when locked.
Push-button locks
outside lever.Turning
inside lever releases
button.Inside lever is
always free for
immediate egress.
71 30
ND92 F109 Entrance Lock with
Vandlgard®* Key retracts latch when
button pushed and
turned. Lever is
unlocked with key
when push-button
is pushed.Vandlgard
allows outside spindle
to disengage from latch
when locked.
Turn/push-button:
pushing and turning
button locks outside
lever until manually
unlocked. Push-button:
pushing button locks
outside lever until
unlocked by turning
inside lever. Inside
always free for
immediate egress.
72 30
ND93 F88 Vestibule Lock
withVandlgard®* Latch retracted by
key when locked by
inside key. Key locks and
unlocks lever.Vandlgard
allows outside spindle to
disengage from latch
when locked.
Inside lever is always
unlocked and is always
free for immediate
egress.
73 31
ND94 F84 Classroom Lock
withVandlgard®* Outside lever locked or
unlocked by key.
Vandlgard allows outside
spindle to disengage
from latch when locked.
Inside lever is always
unlocked and is always
free for immediate
egress.
74 32
ND95 Classroom
Security Lock
withVandlgard®*
Outside lever locked or
unlocked by key in either
lever.Vandlgard allows
outside spindle to
disengage from latch
when locked.
Key locks or unlocks
outside lever. Inside lever
is always unlocked and
is always free for
immediate egress.
75 33
ND96 F86 Storeroom Lock
withVandlgard®* Lever always disengaged.
Entrance by key only.
Vandlgard allows outside
spindle to disengage
from latch when locked.
Inside lever is always
unlocked and is always
free for immediate
egress.
76 34
NOTE: Any function with deadlatch locks latchbolt when door is closed.See page iii for identification.
*Available with Small Format Interchangeable Core.

ND-Series Service Manual
6
Lock Assembly Drawing Index
Function ANSI A156.2, 1996, Series 4000, Grade 1 Trim Chassis
SCHLAGE ANSI DESCRIPTION OUTSIDE FUNCTION INSIDE FUNCTION Page Page
ND96EL Storeroom Lock
withVandlgard®—
Electrically Locked
(Fail Safe)*
Lever is continuously
locked electrically.
Unlocked by key or
power failure or switch.
Auxiliary latch deadlocks
latchbolt when door is
closed.Vandlgard allows
outside spindle to
disengage from latch
when locked.
Inside is always
unlocked and free for
immediate egress.
77 35
ND96EU Storeroom Lock
withVandlgard®—
Electrically
Unlocked
(Fail Secure)*
Lever is continuously
locked until unlocked by
key or electric current.
Auxiliary latch deadlocks
latchbolt when door is
closed.Vandlgard allows
outside spindle to
disengage from latch
when locked.
Inside is always
unlocked and free for
immediate egress.
78 36
ND97 Corridor Lock
withVandlgard®* Locked or unlocked by
key. When locked by
key, outside lever can
only be unlocked by
key.Vandlgard allows
outside spindle to
disengage from latch
when locked.
Push-button locking.
Turning lever or closing
door releases button.
Inside lever is always
unlocked and is always
free for immediate
egress.
79 37
NOTE: Any function with deadlatch locks latchbolt when door is closed.See page iii for identification.
*Available with Small Format Interchangeable Core.

ND-Series Service Manual
7
a
b
Apply light film of 100% synthetic grease on surfaces with brush.
Barrel or tumble with 100% synthetic grease to achieve approximately .015 to .040 film thickness.
Chassis
Number Description Part Number
29 Slide N523-024
30 Slide Clip N523-025
37 Adjustment Plate N523-054
38 Spindle N523-056
Number Description Part Number
1 Slide Spring C503-019
6 Chassis Screw L583-454
23 Outside Housing N523-014
24 Inside Hub N523-015
ND10
Passage Latch
29 38
24
6
30
1
37
23
38
b
a
a
a

ND-Series Service Manual
8
Apply light film of 100% synthetic grease on surfaces with brush.
Barrel or tumble with 100% synthetic grease to achieve approximately .015 to .040 film thickness.
a
b
Number Description Part Number
24 Inside Hub N523-015
29 Slide N523-024
30 Slide Clip N523-025
37 Adjustment Plate N523-054
38 Spindle N523-056
Number Description Part Number
1 Slide Spring C503-019
6 Chassis Screw L583-454
8 Keycam Assembly N123-008
22 Spindle N523-013
23 Outside Housing N523-014
ND12 and ND80
Exit Lock/Storeroom Lock
37
23
22
81
30
6
24
38
29
b
a
a
a
a
Chassis

ND-Series Service Manual Chassis
9
a
b
Apply light film of 100% synthetic grease on surfaces with brush.
Barrel or tumble with 100% synthetic grease to achieve approximately .015 to .040 film thickness.
Number Description Part Number
30 Slide Clip N523-025
37 Adjustment Plate N523-054
48 RX Harness N523-134
49 RX Harness Screw N523-135
50 RX Inside Hub N523-137
51 RX Inside Spindle N523-138
Number Description Part Number
1 Slide Spring C503-019
6 Chassis Screw L583-454
8 Keycam Assembly N123-008
22 Spindle N523-013
23 Outside Housing N523-014
29 Slide N523-024
ND12 and ND80 RX
Exit Lock/Storeroom Lock with Request-to-Exit
37
23
22
81
30
6
29
b
a
a
a
a
51
48
49
50

ND-Series Service Manual
10
Chassis
Number Description Part Number
32 Solenoid—EL N523-027
33 Clip N523-028
34 Wire Clamp N523-029
35 Sleeve N523-031
36 Wire Clamp Screw N523-033
37 Adjustment Plate N523-054
39 Inside Electrified Spindle N523-057
Number Description Part Number
1 Slide Spring C503-019
6 Chassis Screw L583-454
15 Electrified Keycam Assembly N123-024
26 Outside Electrified Housing N523-017
27 Inside Hub—Electrified Functions N523-018
28 Outside Electrified Spindle N523-019
29 Slide N523-024
30 Slide Clip N523-025
37
26
1
28
15
30
6
34
27
39
32
35
29
33
36
b
a
a
a
a
ND12EL and ND80EL
Exit Lock and Storeroom Lock—Electrically Locked (Fail Safe)
b
aApply light film of 100% synthetic grease on surfaces with brush.
Barrel or tumble with 100% synthetic grease to achieve approximately .015 to .040 film thickness.

ND-Series Service Manual Chassis
11
Apply light film of 100% synthetic grease on surfaces with brush.
Barrel or tumble with 100% synthetic grease to achieve approximately .015 to .040 film thickness.
ND12EL and ND80EL RX
Exit Lock and Storeroom Lock—Electrically Locked (Fail Safe) with Request-to-Exit
b
a
Number Description Part Number
34 Wire Clamp N523-029
35 Sleeve N523-031
36 Wire Clamp Screw N523-033
37 Adjustment Plate N523-054
46 Inside Spindle Electrified N523-132
47 Inside Hub Electrified, RX N523-133
48 RX Harness N523-134
49 RX Harness Screw N523-135
Number Description Part Number
1 Slide Spring C503-019
6 Chassis Screw L583-454
15 Electrified Keycam Assembly N123-024
26 Outside Electrified Housing N523-017
28 Outside Electrifed Spindle N523-019
29 Slide N523-024
30 Slide Clip N523-025
32 Solenoid—EL N523-027
33 Clip N523-028
47 48
49
6
a
a
37
26
1
28
15
30
34
46
31
35
29
33
36
b
a
a

ND-Series Service Manual
Chassis
12
Number Description Part Number
31 Solenoid—EU N523-026
33 Clip N523-028
34 Wire Clamp N523-029
35 Sleeve N523-031
36 Wire Clamp Screw N523-033
37 Adjustment Plate N523-054
39 Inside Electrified Spindle N523-057
Number Description Part Number
1 Slide Spring C503-019
6 Chassis Screw L583-454
15 Electrified Keycam Assembly N123-024
26 Outside Electrified Housing N523-017
27 Inside Hub—Electrified Functions N523-018
28 Outside Electrified Spindle N523-019
29 Slide N523-024
30 Slide Clip N523-025
ND12EU and ND80EU
Exit Lock and Storeroom Lock—Electrically Unlocked (Fail Secure)
37
26
1
28
15
30
6
34
27
39
31
35
29
33
36
b
a
a
a
a
b
aApply light film of 100% synthetic grease on surfaces with brush.
Barrel or tumble with 100% synthetic grease to achieve approximately .015 to .040 film thickness.

ND-Series Service Manual Chassis
13
a
b
Apply light film of 100% synthetic grease on surfaces with brush.
Barrel or tumble with 100% synthetic grease to achieve approximately .015 to .040 film thickness.
ND12EU and ND80EU RX
Exit Lock and Storeroom Lock—Electrically Unlocked (Fail Secure) with Request-to-Exit
Number Description Part Number
34 Wire Clamp N523-029
35 Sleeve N523-031
36 Wire Clamp Screw N523-033
37 Adjustment Plate N523-054
46 Inside Spindle Electrified N523-132
47 Inside Hub Electrified, RX N523-133
48 Harness, RX N523-134
49 Screw, Harness, RX N523-135
Number Description Part Number
1 Slide Spring C503-019
6 Chassis Screw L583-454
15 Electrified Keycam Assembly N123-024
26 Outside Electrified Housing N523-017
28 Outside Electrifed Spindle N523-019
29 Slide N523-024
30 Slide Clip N523-025
31 Solenoid—EU N523-026
33 Clip N523-028
47 48
49
6
a
a
37
26
1
28
15
30
34
46
31
35
29
33
36
b
a
a

ND-Series Service Manual
Chassis
14
Number Description Part Number
5 Spindle Pin C604-340
14 Spring Cage Assembly N123-019
45 Dummy Insert N523-069
ND170
Single DummyTrim
45 14
5
For mounting two ND170 as double trim, see page 45.

ND-Series Service Manual Chassis
15
a
b
Apply light film of 100% synthetic grease on surfaces with brush.
Barrel or tumble with 100% synthetic grease to achieve approximately .015 to .040 film thickness.
Number Description Part Number
29 Slide N523-024
30 Slide Clip N523-025
37 Adjustment Plate N523-054
38 Spindle N523-056
Number Description Part Number
1 Slide Spring C503-019
6 Chassis Screw L583-454
23 Outside Housing N523-014
24 Inside Hub N523-015
ND25
Exit Lock with Blank Plate
29 38
24
30
1
23
37
b
a
a6