Service Manual User guide
Table Of Contents
- 10709790_B_644B,6K,844C,8K,1044C,10K_Lull_Service_Mnl
- Quick Reference
- Revision Record
- Table Of Contents
- List Of Figures
- List Of Tables
- Section 1 Safety
- Section 2 Identification & Specifications
- Section 3 General Maintenance
- Section 4 Reference Diagrams
- Section 5 Supply, Pressure & Return Hydraulics
- Section 6 Boom & Transfer
- Section 7 Frame Tilt & Oscillation
- Section 8 Transmission
- Section 9 Brakes
- Section 10 Outriggers
Service Manual — Models 644B, 6K, 844C, 8K, 1044C, 10K
5-1
Section 5 — Supply, Pressure, and Return Hydraulics
General
Major System Components
Fig. 5-1: Major Hydraulic Components
General Description
(Ref. Fig. 5-1) The hydraulic system consists of the following circuits:
• Boom Extension (See Section 6)
• Boom Hoist (See Section 6)
• Carriage Tilt (See Section 6)
• Transfer Carriage (See Section 6)
• Frame Tilt (See Section 7)
• Auxiliary — 1st - Standard, 2nd - Optional (See Section 6)
• Steering
• Service Brakes (See Section 9)
• Rear Axle Oscillation Lock (See Section 6)
• Outriggers (Optional on all models except 1044C-54 and 10K-54)
K1099
Hydraulic
Pump
Hydraulic
Control
Valve
Hydraulic
Reservoir/
Fuel Tank
Hydraulic
Oil Return
Filter
Hydraulic
Control
Manifold