Be sure that all per sons are clear of the stair unit and away from
pos si ble pinch points while low er ing or rais ing the stair.
Num bered stop blocks must al ways rest on stair lock le ver.
Fail ure to do so cre ates a pinch point be tween stair steps and risk of se ri ous
in jury to feet if stairs drift down to stop block.
4.
Pull the red over ride knob on the stabilizer valve labeled SV1 and insert
the slotted lock tool under the knob to keep it extended. Operate the
pump with the handle until the stabilizers are raised enough to clear the
ground. Then remove the tool from under the knob.
CHAPTER 1 GENERAL INFORMATION & OPERATION INSTRUCTIONS
SEPTEMBER 30, 2008
2 OPERATION
PAGE 11
Truck Mounted Passenger Stair TMPS-200
Manual No. 307559
FIGURE 1. EMERGENCY HAND OPERATING HYDRAULICS