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
Identification and Specifications
Service Manual — Models 644B, 6K, 844C, 8K, 1044C, 10K
2-15
Models 844C-42 and 8K-42 (cont’d.)
Service Brakes Manufacturer. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Dana Spicer
Type . . . . . . . . . . . . . . . . . . .Hydraulically Actuated, Wheel End, Wet Disc
Parking Brake
Manufacturer. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Zahnradfabrik (ZF)
Type . . . . . . . . . . . . . . . . .Drum at Transmission Output, Spring Actuated,
Hydraulically Released
Engine Models
(See “Engine Specifications” on page 2-24)
John Deere 4039T . . . . . . . . . . . . . . . . . . . . . . . . . . . 110 HP @ 2500 rpm
John Deere 4045T (Replacement for 4039T) . . . . . . . 100 HP @ 2500 rpm
Cummins 4BT3.9 (8K-42). . . . . . . . . . . . . . . . . . . . . . 102 HP @ 2500 rpm
Cummins 4BT3.9 (844C-42). . . . . . . . . . . . . . . . . . . . 110 HP @ 2500 rpm
Hydraulic Pump
Type . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Tandem Gear
Electrical System
System Voltage. . . . . . . . . . . . . . . . . . . . . . . . . . 12-Volt, Negative Ground
Battery . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12-Volt, 925 CCA
Alternator:
Delco-Remy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 78 Amp
Bosch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63 Amp
Working Temperatures
Hydraulic Oil . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 140–180°F
Transmission Oil . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 104–230°F
Engine Oil . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .See Engine Manual
Engine Coolant . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 180–185°F