Big Joe E30 Operation, Maintenance And Parts Manual page 57

6. Operate the lift and lower buttons to refill the
cylinder and lines with hydraulic oil.
7. Check level of hydraulic oil. Hydraulic oil must be
1 inch below opening. If required, add hydraulic
R6746A
BL-E30-0515 - 03-01-2018
oil to bring to proper level. Use hydraulic oil listed
in
8. Install the compartment cover as described in
paragraph
Figure 9-2 Hydraulic System
Table 3-2
5-2.
9-3