JLG 80SL Operator Manual - Manual (Page 70)

SECTION 5 - EMERGENCY PROCEDURES
5-4 – JLG Lift – 3121324
4. Locate separate valve handle and place handle on the
valve as shown (first section from the left).
NOTE: Valve handles are located in plastic storage bag within
valve compartment.
5. Open valve by pulling handle down.
6. While continuing to hold the valve open, activate the
manual pump by pumping back and forth.
7. After manual platform deck retraction is complete,
release valve on the valve bank and remove handle from
valve. Return the valve lever at the end of the valve bank
near the back to it’s original position. Turn the valve on
the manual hand pump counterclockwise until fully
open (if applicable). Push pump handle forward.
Manual Descent
NOTE: The manual descent system is provided as an emergency
means to lower personnel from the platform.
1. Locate the valve block and hand pump inside the
hydraulic cover on the right side of the machine.
2. Turn valve knob on the manual handpump clockwise
until tight.
NOTE: Step 2 applies only to machines prior to S/N 1200021263.