Jacobsen LF 570 Technical/Repair Manual

2-10 4241262-Rev B
SPECIFICATIONS AND GENERAL INFORMATION
2
Cutting Units
Checks and Adjustments
Reel Bearing Pre-Load in. (mm) 0.040 (1.0)
Bedknife Front Face Height
in. (mm) 0.060 (1.5)
Bedknife Front Face Angle
degrees 5
Bedknife Top Face Angle (Rear Relief)
degrees 8–10
Reel Blade Relief Angle
degrees 45
Bedknife-to-Reel Gap
in. (mm) 0.001–0.003 (0.025–0.076)
Repair Specifications
Reel Drive Motor—Rear Cover-to-Body Retaining
Screw Torque—5-Inch Cutting Unit
lb-ft (N·m) 18.5 (25)
Reel Drive Motor with -4 ORFS Case Drain—Case
Drain Fitting Torque—5-Inch Cutting Unit
lb-ft (N·m) 11 (14.9)
Reel Drive Motor with -6 ORFS Case Drain—Case
Drain Fitting Torque—5-Inch Cutting Unit
lb-ft (N·m) 17 (23)
Reel Drive Motor—IN/OUT Port Fittings—5-Inch
Cutting Unit
lb-ft (N·m) 60 (81.3)
Reel Drive Motor—Rear Cover-to-Body Retaining
Screw Torque—7-Inch Cutting Unit
lb-ft (N·m) 33 (45)
Reel Drive Motor with -4 ORFS Case Drain—Case
Drain Fitting Torque—7-Inch Cutting Unit
lb-ft (N·m) 11 (14.9)
Reel Drive Motor with -6 ORFS Case Drain—Case
Drain Fitting Torque—7-Inch Cutting Unit
lb-ft (N·m) 17 (23)
Reel Drive Motor—IN/OUT Port Fittings—7-Inch
Cutting Unit
lb-ft (N·m) 60 (81.3)
Bedknife Backing Mounting Screw Torque—5-Inch
Cutting Unit
lb-ft (N·m) 25–37 (33.9–50.2)
Bedknife Backing Mounting Screw Torque—7-Inch
Cutting Unit
lb-ft (N·m) 30–33 (40.7–44.7)
Bedknife Mounting Screw Torque
lb-in. (N·m) 90–120 (10.2–13.6)
Reel Bearing Housing Assembly Mounting Screw
Torque—5-Inch Cutting Unit
lb-ft (N·m) 18–22 (24.4–29.8)
Reel Bearing Assembly Coupler Screw Torque—
7-Inch Cutting Unit
lb-ft (N·m) 30–33 (40.7–44.7)
Reel Bearing Assembly Mounting Screw Torque—
7-Inch Cutting Unit
lb-ft (N·m) 30–33 (40.7–44.7)
Front and Rear Roller Lock Nut Initial Torque
lb-in. (N·m) 10–30 (13.6–40.7)
Front and Rear Roller Rotational Torque
lb-in. (N·m) 3–7 (0.3–0.8)
Rear Roller Mounting Screw Torque—5-Inch Cutting
Unit
lb-ft (N·m) 16–24 (21.7–32.5)
Rear Roller Mounting Screw Torque—7-Inch Cutting
Unit
lb-ft (N·m) 30–33 (40.7–44.7)

Jacobsen LF 570 Specifications

General

Brand	Jacobsen
Model	LF 570
Category	Lawn Mower
Language	English