PREPARATION
Assembly (ref. Figure 1)
Tools required: wrench, 6mm Allen wrench, 18mm hex socket & torque wrench.
1. Major components included with this jack:
a. Hydraulic unit Assembly;
b. Saddle Assembly;
c. Two base half pieces with hardware.
2. Attach either one of the two base halves to the base of the hydraulic unit, then secure using 18mm bolts and
washers provided. Apply the same procedure to the other base half. Use torque wrench to tighten to 30 lb•ft. Do
not overtighten.
3. Place the socket of the saddle assembly onto the ram piston. Tighten set screw on the socket using 6mm Allen
wrench.
Before Use
1. Before using this product, read the operator's manual completely and familiarize yourself thoroughly with the
product, its components and recognize the hazards associated with its use.
2. Verify that the product and application are compatible, if in doubt call Blackhawk Technical Service (888) 332-6419.
3. Press the release valve pedal to ensure that saddle is fully lowered. Remove shipping screw and replace with
provided vent screw (shipping screw is located above the oil filler screw).
4. For air option model BH7055, pour a teaspoon of good quality, air tool lubricant into the air supply inlet of the lift
control valve. Connect to air supply and operate for 3 seconds to evenly distribute lubricant.
NOTICE: The Model BH7055 is equipped with a 1/4" NPT air coupler. If installing a different air coupler, use thread
tape or compound on all air connections. To ensure dependable operation, install an inline air dryer and oiler.
5. Ensure that jack rolls freely. Raise and lower the unloaded jack throughout the lifting range before putting into
service to ensure the pump operates smoothly. Replace worn or damaged parts and assemblies with Blackhawk
authorized replacement parts only.
Tilt Adjustment Knobs
*Air Supply Inlet
*Air Pump Pedal
Saddle Plate
Saddle Socket
Hydraulic Unit
Position Handle
Lift Pedal
Figure 1- Typical Transmission Jack Components (BH7055 shown)
Shipping Screw
(replace w/ Vent Screw
before initial use)
Oil Filler Screw (reference
parts drawing for location)
Release Valve Pedal
Base Half
*Air Option Model BH7055 only
3
Ratchet Bracket
Air Motor*
Caster