User Guide

SERIES 41 AND 81 MODUTROL IV™ MOTORS
3 63-2627
Fig. 1. Series 41 and Series 81 Modutrol IV Motor mounting dimensions in inches (mm).
Accessories:
220736 Internal Auxiliary Switch Kit can be field-installed.
One-(220736A) and Two- (220736B) switch kits available.
220738A Adapter Bracket raises motor shaft height by 19 mm
to match that of previous Modutrol Motor models.
220741A Screw Terminal Adapter converts the standard quick-
connect terminals to screw terminals.
221455A Infinitely Adjustable Crank Arm approximately
0.75 in. shorter than the 4074ELY Crank Arm, can rotate
through downward position and clear motor base without
requiring adapter bracket.
4074ERU Weatherproofing Kit provides NEMA 3 rating for
Modutrol IV Motors mounted in position other than upright.
50017460-001 Internal Transformer; 24/120/230 Vac 50/60 Hz
primary, 24 Vac secondary, quick connect terminals.
50017460-003 Internal Transformer; 120 Vac 50/60 Hz
primary, 24 Vac secondary, quick connect terminals.
7617ADW Crank Arm approximately 0.75 in. shorter than
7616BR Crank Arm. Can rotate through downward position
and clear motor base without requiring adapter bracket.
Q100 Linkage connects Modutrol Motor to V51 Butterfly Valve.
Requires the 220738A Adapter Bracket.
Q5001 Bracket and Linkage Assembly connects Modutrol
motor to a water or steam globe valve.
Q605 Damper Linkage connects motor to damper. Includes
motor crank arm.
Q607 External Auxiliary Switch controls auxiliary equipment as
a function of motor position.
ES650-117 Explosion-Proof Housing encloses motor for use in
explosive atmospheres. Not for use with Q5001 (or any
other valve linkages). Order separately from Nelson Enclo-
sures. To order, contact: Nelson Enclosures and Controls,
[phone]; or write to:
Nelson Enclosures and Controls
P.O. Box 471650
Tulsa, OK 74147-1650
Requires Honeywell 7617DM Coupling.
4-7/8
(124)
5-1/2
(140)
13/16
(20)
4-1/16 (103)
1/4
(7)
1-1/2 (37)
4-1/16 (103)
JUNCTION
BOX
MOTOR
AUXILARY
END
POWER
END
ADAPTER
BRACKET
2-9/16
(66)
5-3/8
(137)
6-7/16
(164)
9/16 (15)
3/4
(19)
TOP VIEW OF BRACKET TOP VIEW
4-5/8
(116)
4-1/4
(107)
2-5/16
(58)
11/16
(17)
4-7/8 (124)
5-9/16 (141)
1/4 (7)
5-13/16
(148)
1
POWER END
2
1-1/2 (37)
3/4
(19)
13/16
(20)
M18992
FOR HIGH TORQUE (60 LB-IN.) SPRING RETURN
MODELS 8-3/4 (222);
FOR HIGH TORQUE (60 LB-IN.) SPRING
RETURN MODELS (SHOWN).
1
2