6-50 4252490-Rev A
HYDRAULICS
6
Assembly Notes
NOTICE
• Assemble reel valve unit by reversing the order of
disassembly.
• Use a new seal kit and reel valve O-ring during
assembly.
• Lubricate all O-rings prior to assembly.
• Tighten check valve (5) to 1.1–1.5 lb-ft
(1.5–2.0 N·m).
• Tighten coil nut (12) to 65–75 lb-in.
(7–8 N·m).
• Tighten orifice (4) to 1.1–1.5 lb-ft (1.5–2 N·m).
• Tighten reel (backlap) valve (3) to 80–100 lb-ft (108–
136 N·m).
• Tighten mow/relief valve (10) to 20–25 lb-ft
(27–34 N·m).
• Tighten reel speed control valve (2) to 30–35 lb-ft
(41–47 N·m).
• Tighten port “A” fitting (13) to 77 lb-ft (105 N·m).
• Tighten port “B” fitting (9) to 77 lb-ft (105 N·m).
• Tighten port “P” fitting (7) to 77 lb-ft (105 N·m).
• Tighten port “T” fitting (8) to 133 lb-ft (180 N·m).
• Apply dielectric grease (Jacobsen PN 365422) to any
wire connectors disconnected.
Soft Drop Valve
Removal and Installation
See Figures 6-54 through 6-56.
1. Park the mower safely. (See “Park Mower Safely” on
page 1-6.)
2. Disconnect the negative (–) battery cable from the
battery.
Figure 6-54
3. Unsnap and swing the battery cover (1) out.
Figure 6-55
It is important that all component parts are
absolutely clean, as contamination can result in
serious damage and/or improper operation.
Never use shop towels or rags to dry parts after
cleaning, as lint may clog passages. Dry parts
using compressed air.
Required Materials
•Seal Kit
• Reel Valve O-Ring
TN3785
1
TN3786
3
2
4
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