Gravely Pro-Master 252 - Page 21

GB - 21
Each
Use
Check
Cooling
System
(992215, 216)
IMPORTANT: To avoid damaging the radiator, DO NOT USE
high-pressure water to clean the radiator.
Check cooling system for dirt and debris in radiator screen,
oil cooler, hoses, fan, etc. Refer to Engine Manual for
detailed instructions.
Every
25
Hours
Check Mower
Blades
Ensure mower blade hardware is tightened to 115 – 160 lbf-ft.
(156 – 217 N•m). Check mower blades for wear. Sharpen or
replace mower blades as needed (see Sharpening Mower
Blade on page 24).
Every
50
Hours
Lubricate
Front Axle
and Pivot
Points
Oil all pivot points, pin connections, and apply grease to front
axle grease zerk (see Lubricating Unit on page 22).
Every
100
Hours
Clean Battery Keep battery and battery terminals clean (see Cleaning the
Battery (Figure 10) 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 All
Belts
Replace worn or deteriorated belts.
• Check mower drive belt. See Mower Drive Belt on
page 29 for belt location.
• Check PTO belt. See PTO Belt on page 28 for belt
location.
• Check transmission belt. See Transmission Belt on
page 29 for belt location.
• Check radiator fan belt. Refer to Engine Manual
(992215, 216).
Every
400
Hours
Grease Front
Axle Caster
Pivots
Repack front axle caster pivots (see Lubricating Unit on
page 22).
Change
Hydraulic Oil
and Filter*
See Changing Hydraulic Oil and Filter on page 33.
*Change hydraulic fluid and filter after the first 75 hours of operation and then every 400
hours.
Interval Task Action