A UNIT FRONT PILOT CONVERSION
Your F-3 A unit contains a "scale" pilot front coupler and coupler pock-
et which adds the "realistic" look to the pilot area of your model. This cou-
pler is not designed for operation. If operation of the pilot coupler is
desired, you must change the front coupler using the following proce-
dures.
1. Turn the locomotive upside down
and remove the two screws holding
the coupler mounting block to the
underframe.
2. Slide coupler and front "break-a-
way" plate forward from front of
locomotive leaving the larger open-
ing in the pilot.
3. Remove coupler from mounting block by removing the coupler arm screw.
4. Reattach operating knuckle coupler arm or hook/loop coupler arm by
screwing it to coupler mounting block. Make sure coupler is right side up.
5. Reattach coupler mounting block to frame using two screws from (1)
making sure coupler centering spring is attached to coupler arm.
KNUCKLE COUPLER INSTALLATION
1. Turn the locomotive upside down and remove the two screws holding
the coupler mounting block to the underframe.
(1) Remove These Two Screws
2. Remove the coupler arm (D) from the coupler mounting block (A) by
removing the center screw (E).
3. Attach the optional coupler arm provided (D) to the coupler mounting
block by reversing Step #2 above.
Due to the spacing difference between hook/loop and knuckle coupler
you must use optional couple arm provided. This will keep the rubber
diaphram at the same distance as the hook/loop coupler.
4. Reattach coupler mount block to frame using two screws from (1) mak-
ing sure the coupler centering spring is attached to coupler arm.
5. Attach USA knuckle coupler (B) with #4 Screw (C) provided.
(1) Remove These Two Screws
(2) Coupler arm screws
C
B
D
A
E
8
EMD F3
DIESEL LOCOMOTIVE
OWNERS MANUAL
USA TRAINS
662 Cross Street
MALDEN, MA 02148, USA
www.usatrains.com
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