639 / 663
639
www.grovegear.com
High Efficiency Helical - Bevel
Gear Reducers
High Efficiency Parallel Shaft
Gear Reducers
Stainless Steel
&
WASHGUARD
®
High Efficiency Gear Reducers
Technical Information
Warnings and Cautions
Terms and Conditions
Mounting Dimensions
Input/Output Covers
D
C
E
F
B.C.
(INPUT)
BOLT SIZE
B
A
A
B
BOLT SIZE
B.C.
(OUTPUT)
SIZE: 813-852
SIZE: 860
B.C.
(OUTPUT)
BOLT SIZE
ALL SIZES
UNIT
C
D
E
F
Input B.C. BOLT SIZE
813
0.583
1.166
1.248
2.496
N/A
5/16-18
818
1.248
2.496
0.583
1.166
N/A
5/16-18
821
1.248
2.496
0.583
1.166
N/A
5/16-18
824
1.010
2.020
1.510
3.020
N/A
5/16-18
826
1.010
2.020
1.510
3.020
N/A
5/16-18
830
1.010
2.020
1.510
3.020
N/A
5/16-18
832
1.010
2.020
1.510
3.020
N/A
5/16-18
842
1.600
3.200
1.050
2.100
N/A
7/16-14
852
1.600
3.200
1.050
2.100
N/A
7/16-14
860
1.724
3.447
1.724
3.447
4.875
1/2-13
EL SERIES INPUT COVER DIMENSIONS
UNIT
A*
B*
Output B.C.* BOLT SIZE
813
1.016
2.033
2.875
5/16-18
818
1.480
2.961
4.188
5/16-18
821
1.480
2.961
4.188
5/16-18
824
1.856
3.712
5.250
5/16-18
826
1.856
3.712
5.250
5/16-18
830
2.298
4.596
6.500
3/8-16
832
2.298
4.596
6.500
3/8-16
842
2.939
5.877
8.312
7/16-14
852
3.359
6.717
9.500
1/2-13
860
N/A
N/A
11.750
1/2-13
EL SERIES OUTPUT COVER DIMENSIONS
* Housing has exactly the same tapped holes on both sides of reducer as standard for mounting EL Series accessories in field.
VENT
FILL
DRAIN
LEVEL
LEVEL
VENT
FILL
DRAIN
LEVEL
LEVEL
VENT
FILL
FILL
VENT
DRAIN
Position 1
Position 2
Position 3
Position 4
Bolt Circle Dimensions
Ratio Multiplier Vent Plug Location