Update meters, Remove existing top seal, Remove meter flute shaft – Great Plains 2007HD Update Installation User Manual
Page 20: Remove old flanges, Update meters remove existing top seal

166-370M
05/25/2011
16
NTA607HD or NTA2007HD
Great Plains Manufacturing, Inc.
Update Meters
Remove Existing Top Seal
Refer to Figure 24
70. Remove the existing top seal:
816-662C METER TOP SEAL
This part is replaced by a new seal at step 104.
71. Prepare the top panel for welding and re-sealing.
Clean all top seal adhesive residue from the top
panel opening
. If necessary, use sandpaper or
other abrasives.
72. Prepare the top panel for tack welding. Remove a
1 cm (
3
⁄
8
in) circle of paint at each corner, and half-
way along each side of the top panel opening,
shown as small open arrows.
Remove Meter Flute Shaft
Refer to Figure 25
73. At the right end of the flute shaft, release the set
screw in the bearing collar
.
74. At the left end of each meter, remove the six outer
screws:
801-151C SCR HEX SELF TAP 1/4-20X1TYPEF
These screws are not re-used.
Note: The plates
is usually have a silicone sealant
bead around their circumference, and possibly on
the face. The bearing flange
also has a sili-
cone seal bead. Use a knife to cut the fillets, and a
sharp flat tool to pry components apart.
75. Withdraw and save the flute shaft assembly, one of:
166-308S 4-OUTLET METER 2-STAR SHFT ASY
166-320S 4-OUTLET METER 3-STAR SHFT ASY
166-321S 4-OUTLET METER 4-STAR SHFT ASY
76. Recover and save the sensor mount:
266-187D METER SENSOR MOUNT
Remove Old Flanges
77. At the right end of each meter, remove the six outer
screws:
801-151C SCR HEX SELF TAP 1/4-20X1TYPEF
These screws are not re-used.
78. Pry the flange assembly off the meter wall. Recover
and save one set:
188-009V BRG .755 HEX BORE W/S-S
816-199C SEAL 1.33IDX2.23ODX.31T
79. At each plate
, remove the six inner screws:
801-151C SCR HEX SELF TAP 1/4-20X1TYPEF
These screws are not re-used.
80. Separate (and save) bearing flange:
890-466C HSG RIBB FLG 6BOLT PLT
and mount plate (which is not saved):
168-409D METER SHAFT MOUNT PLATE
81. Clean the meter wall and both bearing flanges
of any silicone sealant residue. The plates
are
not re-used and do not require cleaning.
Figure 24
Meter Top Seal
Q0103
220
1
220
1
Figure 25
Meter Flute Shaft
Q0103
163
U
D
F
B
L
R
163
125
231
131
163
231
131
218
134 139
134
163
131
231
125
139
163
134
218
131
163
231
131
231
131