Century 974W25 Installation, Operation, Maintenance, Parts page 50

Section IVA - OPERATING INSTRUCTIONS
4A.5 VEHICLE HOOK-UP (cont'd)
(b) Lower Wheel Lift to ground and extend boom until it is
firmly against tires of disabled vehicle. See Figure 4A.6.
(c) Disengage the tire restraint Plunger by pulling out and
rotating 90°. See Figure 4A.7.
WHEEL LIFT (cont'd)
FIGURE 4A.6
FIGURE 4A.7
IVA-4