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8.0 Appendix A - Maintenance Guide
8.2.2 Replacing Hydraulic Fluid
The hydraulic fluid should be replaced annually.
Use the following procedure to replace the hydraulic fluid:
1. Switch off the machine and disconnect main power.
2. Remove the front cover.
3. Remove the filler cap from the reservoir.
4. Use a transfer pump or syphoning tool to remove the used fluid from the reservoir.
Transfer pumps can be found at most hardware stores.
5. Refill tank to the fill line.
6. Replace the front cover.
7. Reconnect power to the machine.
8.2.3 Hydraulic Fluid Compatibility List
Any ISO VG 100 can be used as a substitute for S-1991-3 hydraulic fluid.
8.3 Electrical System (SCM Models Only)
8.3.1 Circuit Breaker Check
If the machine is plugged in but the hydraulics will not turn start when the footswitch is depressed, the
circuit breaker may be tripped.
To check the circuit breaker:
1. Switch off the machine and disconnect main power.
2. Use a 5/32" hex wrench to remove the lower cover.
3. The circuit breaker is located on a mounting rail behind the lower panel.
4. If the indicator on the circuit breaker is red, it has not been tripped. If the indicator on the
circuit breaker is green, it has been tripped.
5. If the indicator is green, push the circuit breaker lever until the indicator is red.
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Do not replace the hydraulic fluid while it is hot. Severe burns may
result.
Disconnect the main power.
See Section 2.2 Power Lockout Procedure.
Disconnect the main power.
See Section 2.2 Power Lockout Procedure.
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