Ariens 991083 ZT HD52 Manual Do Utilizador

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Gravely Dealers will provide any service which 
may be required to keep your unit operating at 
peak efficiency. Should engine service be 
required, it can be obtained from a Gravely 
Dealer or the engine manufacturer’s 
authorized service center.
SERVICE POSITION
1. Place unit on a flat level surface. 
ALWAYS stop engine. Ensure unit is 
secure and will not tip over. Strap and 
clamp onto lift if used.
2. Place steering levers in neutral and 
engage parking brake.
3. Remove wing knob. 
4. Tip seat forward (Figure 6).
5. When service is complete, lower seat 
and secure with wing knob or hex nut.
Each 
Use
Follow Engine Manual 
Maintenance Schedule
Perform scheduled engine maintenance. Refer to 
engine manual for detailed instructions.
Every 
25 
Hours
Check Mower Blades
Check mower blades for wear. Sharpen or replace 
as needed.
Every 
50 
Hours
Check Air FIlter
Check air filter for dirt. Clean as required. Follow 
Engine Manual for maintenance schedule.
Lubricate Unit
Oil all pivot points and pin connections. Grease 
lube fittings. See Lubricate Unit on page 24.
Check Brake Gap
Every 
100 
Hours
Clean Battery
Keep battery and its terminals clean. See Clean 
Battery 
on page 23
Check Fasteners
Check mower blade mounting hardware and all 
other fasteners. Replace missing or damaged 
fasteners. Tighten all nuts and bolts to their correct 
torque value.
Check Belts
Replace worn or deteriorated belts. See Replacing Mower Belts on page 27 and Replacing the Hydro 
Pump Belt
 on page 28.
Every 
400 
Hours
Change Hydraulic Fluid 
and Filter
*
Drain hydraulic fluid tank, replace hydraulic oil filter, 
refill system. See Hydraulic Fluid on page 21. 
*Change hydraulic fluid and filter after the first 75 hours of operation and then 
every 400 hours.
Period
Service
Task
SERVICE AND ADJUSTMENTS
WARNING: AVOID INJURY. 
Read and understand entire 
Safety section before proceeding.
CAUTION: HOT SURFACES 
may result in injury. DO NOT 
touch engine or drive parts which 
are hot from operation. Allow 
parts to cool before servicing.
CAUTION: Be sure footing is 
secure to accomodate weight 
shift of seat when rotating it into 
service position.