31
MAINTENANCEMAINTENANCE
1. The Gear Box is filled with oil at the factory and should not require periodic
flushing. If the Gear Box is opened for repair, flush by filling the unit with
an AGMA #7 oil. Next, run the unit with no load for 3 minutes. Then, drain
and refill the unit with 28 fluid ounces of an AGMA #7 oil such as the ones
listed below.
Amoco – Amoco Worm Gear Oil
Chevron – Cylinder Oil 460X
Exxon – CYLESSTIC TK460
Mobil – 600 W Cylinder Oil
Shell – Sun Gear Oil 7C
2. To inspect FRONT #60 chain tension:
• Remove face plate.
• To adjust, loosen hex screw with
3
⁄4" wrench and rotate chain tensioner
toward chain as shown until chain moves no more than a total of
1
⁄4".
See Figure 31 below.
• Grease chain periodically with a good quality MP grease.
guards or covers and
before servicing this bender. Failure to do so ma
TO LOCATE THE CENTER TO CENTER DISTANCE OF OFFSET
BENDING MARKS OTHER THAN THOSE LISTED IN CHART D, USE THE
FOLLOWING MULTIPLIERS: MULTIPLY THE HEIGHT OF THE OFFSET
DESIRED BY 3.86 ON 15° BENDS, 2 ON 30° BENDS, AND 1.4 ON 45° BENDS.
CONDUIT SIZE
1/2"
3/4"
1"
1-1/4"
1-1/2"
2"
"X"
2-1/2
3-1/16
3-1/16
4
4-3/4
4-3/4
CHART D
OFFSET
HEIGHT
2"
4"
6"
8"
10"
12"
14"
16"
18"
20"
22"
30° 45°15°
MAX
CONDUIT
SIZE
CENTER
TO
CENTER
MAX
CONDUIT
SIZE
CENTER
TO
CENTER
MAX
CONDUIT
SIZE
CENTER
TO
CENTER
3/4"
1-1/2"
2"
3/4"
1-1/2"
2"
1"
1/2"
1-1/4"
1"
1-1/2"
2"
2"
2"
2"
2"
2"
2"
2"
2"
2"
2"
2"
2"
2"
2"
2"
2"
2"
2"
7-3/4"
61-13/16"
15-7/16"
23-3/16"
30-7/8"
38-5/8"
46-3/8"
54-1/16"
69-9/16"
77-1/4"
85"
7-5/16"
11-15/16"
15-15/16"
19-15/16"
23-15/16"
27-15/16"
31-15/16"
35-15/16"
39-15/16"
43-15/16"
8-5/16"
11-1/16"
13-13/16"
16-5/8"
19-7/16"
22-1/4"
25-1/16"
27-15/16"
30-3/4"
FIGURES ARE APPROXIMATE
CHART E
END OF CONDUIT
TO START OF BEND
OFFSET
HEIGHT
ANGLE
ROTATE CHAIN
TENSIONER UPWARD
TO TIGHTEN CHAIN
CHAIN TENSIONER
HEX SCREW
1/4" MAX
LARGE
HOLES
SMALL HOLES
LARGE DRIVE STUD
LARGE DRIVE STUD
SMALL DRIVE STUD
SMALL DRIVE STUD
BENDING SHOE
Figure 31
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