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Workshop Manual 7052/56/74-76, 7054/58/77-79 Frame and Counterweight Frame The welded steel frame is of unit construction and has a bolt-on cast iron counterweight. The hydraulic oil tank serves as a frame cross- member located underneath the floor plate. Counterweight The removable rear counterweight is secured to the frame by three bolts (see sketch).
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Workshop Manual 7052/56/74-76, 7054/58/77-79 Jacking up the truck CAUTION: Before jacking up the truck : Apply the parking brake ! To carry out certain maintenance tasks the truck must be jacked up and securely chocked into position. Always make sure only jacks of suitable capacity are used.
Workshop Manual 7052/56/74-76, 7054/58/77-79 Steer axle Configuration of steer axle The articulating steer axle suspended from the counterweight is mounted in 2 neoprene blocks. The stub axles are supported in the axle beam on tapered roller bearings. Steering is limited by stop screws on the stub axles.
Workshop Manual 7052/56/74-76, 7054/58/77-79 Steer axle Checking the steering angles The steering angle a must amount to 80° - 82°. To facilitate the measurement use the complementary angle b for the setting. It should amount to 98° - 100°. IMPORTANT: Ensure that the wheel lock is limited by the stop screws (1) and not by the cylinder stroke.
Workshop Manual 7052/56/74-76, 7054/58/77-79 Steer axle Stub axle - Removal and Dismantling washer king pin plug stub axle hex. hd. screw spacing washer wiper ring tapered roller bearing spacer grease nipple tapered roller bearing wiper ring O-Ring spacing washer Remove the wheel. Press out the pin located between track rod and stub axle.
Workshop Manual 7052/56/74-76, 7054/58/77-79 Steer axle Track rod removal The steer axle is fitted with two track rods arranged between the steering cylinder and the two stub axles. stub axle piston rod sealing rings roll pins track rod ball joint Remove the roll pins (4).
Workshop Manual 7052/56/74-76, 7054/58/77-79 Steer axle Steering cylinder removal – Remove track rods. – Disconnect hydraulic connections after having marked them for identification. WARNING: Hydraulic oil may spill when disconnecting lines; be prepared for oil spillage! – Slacken the four fixing screws (1). Steering cylinder installation –...
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Workshop Manual 7052/56, 7054/58 Contents Page Technical Data for Maintenance Service Power Axle / Description Power Axle removal Power Axle installation Double reduction gear and differential / Sectional view Exploded view Axle housing installation Half-shaft (axle shaft) removal Half-shaft (axle shaft) installation Wheel hub removal Wheel hub installation...
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Workshop Manual 7052/56, 7054/58 Technical Data for Maintenance Service...
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