Adjustments, Adjusting the blower drive belt, Position – Exmark Ultra VAC LAZER Z User Manual
Page 21: Check exhaust diverter, Caution, Lubricate grease fittings, Check condition of belt, Adjusting the blower drive belt position, Maintenance
Maintenance
Check Exhaust Diverter
Service Interval: Before each use or daily
CAUTION
The exhaust diverter is hot. Touching a hot
exhaust diverter can cause severe burns.
Allow the exhaust diverter to cool completely
before performing maintenance.
1. Stop engine, wait for all moving parts to stop, and
remove key. Engage parking brake.
2. Inspect and remove debris from the exhaust
diverter daily.
Lubricate Grease Fittings
Note: See chart for service intervals.
1. Stop engine, wait for all moving parts to stop, and
remove key. Engage parking brake.
2. Lubricate fittings with NGLI grade #2
multi-purpose gun grease.
Refer to the following chart for fitting locations
and lubrication schedule.
Lubrication Chart
Fitting
Locations
Initial
Pumps
Number of
Places
Service
Interval
1. Idler
Bushings
1–2
1
25 Hours
Check Condition of Belt
Service Interval: Every 50 hours
All Units
1. Stop engine, wait for all moving parts to stop, and
remove key. Engage parking brake.
2. Inspect the belt for damage or wear. Replace belt
with one of the following:
Deck
Part No.
48 inch
1-653333
52 inch
1-653438
60 inch
103-0866
72 inch
103-0867
Adjustments
Adjusting the Blower Drive
Belt Position
1. Read the operator’s manual for the UltraVac
and mower before performing this adjustment.
Make sure that you understand the controls, their
locations their functions and safety requirements.
2. Ensure the blower, belt cover, bags, tube and
hopper are in good condition, properly attached
and latched.
3. Run the unit with the PTO and the blower
engaged for two minutes.
4. Disengage the PTO, stop the engine and remove
the key.
5. Remove the belt cover and check to make sure
that the belt is riding near the center of the flat
idler on the idler arm. If the belt is not riding near
the center of the idler, remove the blower, and
bend the idler arm slightly.
6. Reinstall the blower and belt cover and perform
steps 3-5 again to verify belt position.
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