Hoshizaki TempGuard FH1-SSB, Service Manual, Page: 38 / 63

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3) Insert a small drift pin or long leg of an allen wrench into one of the threaded tension
screw holes in the spring guide pin. Turn the spring guide pin to access the tension
screw. Securely hold the spring guide pin in this position while removing the tension
screw. Carefully rotate (walk) the spring guide pin to release spring tension.
4) Use a 1/" socket wrench to remove the top pivot pin/hinge washer from the top hinge
bracket.
5) Firmly grasp the door and pull it forward at the top. Then raise the door, disengaging it
from the bottom pivot pin.
6) Remove the spring guide pin and spring from the spring cartridge.
7) Replace the spring with one of the same color. Be certain that the spring ends are
engaged in both the spring cartridge and the top of spring guide pin.
8) Repeat steps 1 through 7 for additional
doors as necessary.
9) Reverse procedure to reassemble door(s)
to cabinet.
Note: Tighten spring guide pin one complete rotation to set proper spring tension.
Bushing Cover
Hinge Stop Pin
Pivot Pin
Hinge Washer
Tension Screw
Hinge Bracket
Spring
Spring Guide Pin
Spring Cartridge
Side Color Part Number
Left Blue 4A331-0
Right Black 4A331-01
H. Removal and Replacement of Door Closure Spring
CAUTION
Wear eye protection and use caution when removing the tension screw
(step 3).
1) Open the front panel assembly to gain access to the upper hinge brackets.
) Remove the bushing cover from the top of the spring guide pin.