8-14 4181383 First Edition
CUTTING UNITS
8
NOTICE
6. Clean all parts using clean solvent, and dry using
compressed air.
7. Inspect all parts for wear or damage. Replace the
motor as a unit if any parts other than seals require
replacement.
Inspect for metal chips or slivers during cleaning (an
indication of damage to motor or other hydraulic
component.)
Assembly Notes
NOTICE
• Assemble the deck motor by reversing the order of
disassembly.
• Apply a coat of clean hydraulic oil to all parts to aid
assembly.
• Use extreme care when installing shaft seal, it must
seat squarely in seal bore. Use clean grease on shaft
and seal. Use caution when inserting shaft into seal
to avoid cutting or damage to seal during assembly.
• Install screws finger-tight and rotate drive shaft to
make sure it turns freely. Tighten screws evenly in
steps to a final torque of 30 lb-ft (40 N·m).
Rotary Deck
Removal and Installation
See Figure 8-4.
1. Park the mower safely. (See “Park Mower Safely” on
page 1-5.)
2. Remove deck yoke. (See “Front Deck Yoke” on
page 8-15.) (See “Rear Deck Yoke” on page 8-16.)
Figure 8-4
3. Remove three snap ring lock pins (1) and spacers (3)
from cutting height sleeves (2).
4. Lift mower deck (4) up and away from deck frame (5).
Installation Note
Install the mower deck by reversing the order of removal.
Blade
Removal and Installation
See Figure 8-5.
1. Park the mower safely. (See “Park Mower Safely” on
page 1-5.)
2. Raise and support the cutting units. (Refer to “Safety,
Operation and Maintenance Manual.”)
3. Disconnect the negative (–) battery cable at the
battery.
It is important that all motor 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.
It is important that all motor 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 (Jacobsen P/N 4136829)
TN1404
3
1
2
5
4
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