FORM NO. L-21070-E-0614
5
NOTE: Refer to Figure 1.
1. Insert the customer supplied key into the motor shaft keyway.
2. Remove the four Socket Head Cap Screws, (Item 8), to
separate the Female Pilot, (Item 1), from the Housing (Item
7).
3. Secure the Female Pilot (Item 1) to the motor face using
Nexen supplied socket head cap screws. Tighten cap screws
to 1425 in-lbs (161 N-m).
4. Tighten the Set Screw (Item 35) to 175 in-lbs (20 N-m).
5. Secure Housing (Item 7) to the Female Pilot (Item 1) using
Socket Head Cap Screws (Item 8). Apply Loctite
®
242 to
the threads of Item 8.
6. Tighten Socket Head Cap Screws to 509-662 in-lbs (57.5-
74.8 N-m).
NOTE: Refer to Figure 2.
1. Insert the Key (Item 33) into the output shaft of the FMCB-
1625.
2. Slide the FMCB output shaft into the gear reducer.
3. Secure the FMCB to the gear reducer using customer
supplied cap screws and lock washers.
4. Complete steps 1-7 from Section A.
INSTALLATION
SECTION A: MOUNTING ON THE SHAFT END OF A MOTOR
SECTION B: MOUNTING BETWEEN A GEAR REDUCER AND MOTOR
NOTE: Refer to Figures 1 and 3.
NOTE: Use Loctite® 242 on all Socket Head Cap Screws.
1. Remove the four Socket Head Cap Screws (Item 8) and
separate the Female Pilot (Item 1) from the Housing (Item 7).
2. Place Key (Item 19) into the keyway of the Input Unit.
3. Slide the Female Pilot (Item 1) onto the Input Unit. Secure
the Input Unit and the Mounting Foot to the Female Pilot (Item
1) using four Socket Head Cap Screws (Items 39 and 40).
Tighten the Socket Head Cap Screws to 1425 in-lbs (161
N-m).
4. Tighten the Set Screw (Item 35) to 175 in-lbs (20 N-m).
5. Secure the second Mounting Foot (Item 38) to the FMCB
Assembly.
6. Secure the Female Pilot (Item 1) assembly to the FMCB
Assembly (Item 7) with the Socket Head Cap Screws (Item
8). Tighten to 509-662 in-lbs (57.5-74.8 N-m).
FIGURE 3
39
19
40
INPUT
UNIT
19
35
FEMALE PILOT
ASSEMBLY
33
40
MOUNTING FOOT
(ITEM 28)
FMCB
ASSEMBLY
MOUNTING FOOT
(ITEM 38)
FIGURE 2
MOTOR
CUSTOMER
SUPPLIED KEY
SET SCREWS
(Item 35)
FMCB
.500-13 SOCKET
HEAD CAP SCREWS
HOUSING
GUARD
(Item 34)
FEMALE PILOT
(Item 1)
GEAR
REDUCER
Key
(Item 33)
SECTION C: OPTIONAL INPUT UNIT AND FEET
7. Install the Housing Guard (Item 34) over the open areas of
the FMCB, and secure it using the provided fasteners.
MOTOR
CUSTOMER
SUPPLIED KEY
SET SCREWS
(Item 35)
HOUSING
(Item 7)
FMCB
.500-13 SOCKET
HEAD CAP SCREWS
CAP SCREWS
(Item 8)
HOUSING
GUARD
(Item 34)
FEMALE PILOT
(Item 1)
FIGURE 1
