Hand Metering Unit (5C6978)
Usage:
(1) Pin (1) in the body must be aligned with internal pump gear (2) and drive (3) as shown in View B - B.
(4) Tighten bolts (4) in sequence shown in View C - C.
Tighten to initial torque of ... 14 N·m (125 lb. in.)
Tighten to final torque of ... 30 N·m (270 lb. in.)
Torque for screwed connections at ports ... 60 N·m (44.2 lb. ft.)
Rated displacement ... 125 cm3/rev (7.62 in3/rev)
Caterpillar Information System:
ARTICULATED DUMP TRUCK HYDRAULIC SYSTEMS Hand Metering Unit (HMU) (3G7387)
ARTICULATED DUMP TRUCK HYDRAULIC SYSTEMS Hoist Control Valve (5U8596)
ARTICULATED DUMP TRUCK HYDRAULIC SYSTEMS Steering Control Valve (5U282)
ARTICULATED DUMP TRUCK HYDRAULIC SYSTEMS Supplemental Steering Pump (6U2802)
ARTICULATED DUMP TRUCK HYDRAULIC SYSTEMS Supplemental Steering Pump (5U6876)
ARTICULATED DUMP TRUCK HYDRAULIC SYSTEMS Supplemental Steering Pump (6U5329)
ARTICULATED DUMP TRUCK HYDRAULIC SYSTEMS Hydraulic Pump (5U557 and 5U558)
ARTICULATED DUMP TRUCK HYDRAULIC SYSTEMS Hydraulic Pump (6U8013)
ARTICULATED DUMP TRUCK HYDRAULIC SYSTEMS Introduction
D25C, D30C, & D350C ARTICULATED DUMP TRUCKS AIR SYSTEM AND B Testing And Adjusting
D25C, D30C, & D350C ARTICULATED DUMP TRUCKS AIR SYSTEM AND B Systems Operation
D25C, D30C, D35C AND D35HP ARTICULATED DUMP TRUCKS SUSPENSIO Testing and Adjusting
ARTICULATED DUMP TRUCK HYDRAULIC SYSTEMS Diverter Valve (8J2261)
ARTICULATED DUMP TRUCK HYDRAULIC SYSTEMS Supplemental Steering Valve (6U5036)
ARTICULATED DUMP TRUCK HYDRAULIC SYSTEMS Auxiliary Relief Valve (5U9852)
ARTICULATED DUMP TRUCK HYDRAULIC SYSTEMS Load Control Valve (4U2296)
ARTICULATED DUMP TRUCK HYDRAULIC SYSTEMS Steering Cylinder (5U9000 and 6U1040)
ARTICULATED DUMP TRUCK HYDRAULIC SYSTEMS Hoist Cylinders (5U7773 and 5U777)
ARTICULATED DUMP TRUCK HYDRAULIC SYSTEMS Tailgate Cylinder (6U492)
ARTICULATED DUMP TRUCK HYDRAULIC SYSTEMS Systems Operation
ARTICULATED DUMP TRUCK HYDRAULIC SYSTEMS Testing and Adjusting
ARTICULATED DUMP TRUCK SUSPENSION SYSTEMS Introduction
ARTICULATED DUMP TRUCK SUSPENSION SYSTEMS Hydraulic Pump (6U8013)
ARTICULATED DUMP TRUCK SUSPENSION SYSTEMS Hydraulic Pump (5U557 and 5U558)