Grizzly T27978, Instructions Manual

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T27978 50-Ton Hydraulic Press (Mfd. 12/16)
Operating Press
1. Rotate tank relief valve (see Figure 8) fully
clockwise to close it. Ensure top relief valve
is open 1–2 turns.
2. Engage latch on winch (see Figure 9), and
raise press bed to desired height, insert
support rods (see
Figure 10) into holes in
machine frame closest to bed, then lower bed
onto support rods.
Figure 8. Hydraulic system relief valve locations.
Tank
Relief
Valve
Top
Relief
Valve
Figure 10. Support rod placement.
Support Rod
(1 of 2)
3. Connect air valve to incoming air compressor
line. Confirm incoming air pressure is 110–
125 PSI.
ALWAYS ensure winch latch is engaged
when raising/lowering press bed! Engaging
latch prevents bed from accidentally
dropping if winch handle is released, which
may result in crushing injury.
4. Place table plates on press bed (see Figure
12), and place workpiece on table plates.
Figure 12. Table plates positioned on press bed
beneath ram.
Table
Plates
Press
Bed
Figure 11. Air valve movement.
Incoming
Air Line
Air
Valve
Ram
Figure 9. Winch latch positions.
Disengaged
Engaged
Latch