South Bend Tools
For Machines Mfd. Since 10/21
Model SB1122
-45-
M A I N T E N A N C E
Checking Hydraulic Fluid
The hydraulic fluid level and temperature should
be checked weekly.
Items Needed
Qty
Safety Goggles .................................................1 Pr.
Hex Wrench 4mm .................................................1
T23963 or ISO 32 Equivalent ...............As Needed
Funnel ....................................................................1
1.
Raise/lower headstock repeatedly for
approximately 10 minutes to warm up
hydraulic fluid.
2.
Lower headstock and open vise completely.
3.
DISCONNECT MACHINE FROM POWER!
4.
Remove (4) button head cap
screws and flat
washers shown in Figure 71 to remove rear
access panel.
Figure 71. Location of rear access panel and
Figure 71. Location of rear access panel and
fasteners.
fasteners.
Rear
Rear
Access
Access
Panel
Panel
x 4
6.
Remove tank cap (see Figure 72) and
inspect for burnt-smelling or tan-colored,
water-contaminated hydraulic fluid.
Tank Cap
Tank Cap
Thermometer
Thermometer
Figure 72. Location of thermometer and tank cap
Figure 72. Location of thermometer and tank cap
(hydraulic assembly removed from cabinet for clarity).
(hydraulic assembly removed from cabinet for clarity).
— If fluid is contaminated, or fluid has not
been changed in past 6 months, proceed to
Changing Hydraulic Fluid.
— If fluid is not contaminated, proceed to
Step 7.
7.
Check fluid level. Fluid should just cover
bottom of fill screen (see Figure 73).
!
Figure 73. Example of proper fluid level.
Figure 73. Example of proper fluid level.
Proper Fluid Level
Proper Fluid Level
Fill Screen
Fill Screen
— If fluid level is low, slowly add hydraulic
fluid until it just covers bottom of fill
screen.
8.
Install fill cap and rear access panel.
5.
Check fluid temperature on thermometer
mounted to hydraulic tank (see Figure 72).
The temperature should read between 50–
95°F (10–35°C).
— If fluid temperature exceeds 140°F
(60°C), allow fluid to cool down. Review
Troubleshooting on Page 61 for
solutions. If you cannot regulate
temperature, contact a qualified hydraulic
service technician or Tech Support.
To check hydraulic fluid:
