Maintenance Section 4-4
MAINTENANCE
WEEKLY OR EVERY 50 HOURS

ITEM SERVICE COMMENTS

In T ank Hyd. Fluid Change Change after first 50
Filter hours only, then every
(10 micron filter) 500 hours or yearly
In-Line High Pressure Change Change after first 50
Filter hours only, then every
(10 micron filter) 500 hours or yearly
MONTHLY OR EVERY 150 HOURS
Hydraulic Fluid Level Check Add as needed
Hyd. Tank Breather Clean / Check / Replace Clean or replace
Element as required
Rear Tire Type Max P.S.I.
480/80R38 29
18.4-34 26
18.4-38 26
YEARLY OR EVER Y 500 HOURS
Spindle Grease Change
Motor to Spindle Spline Change
Hyd. Tank Fluid Change
In Tank Hyd. Fluid Filter Change
(10 micron filter)
In-Line HP Filter Change or Change when indicated
(10 micron filter) by restriction indicator.
Hyd. Tank Breather Change
TROUBLE SHOOTING

SYMPTOMS CAUSE REMEDY

Vibration 1. Loose bolts 1. Check all bolts and tighten
to torque specs. in this section
2. Cutter assembly 2a. Check for damaged blades,
disc. Unbalanced or cutter
shaft. Replace if needed.
2b. Check for wire, rope, etc.
entangled in cutter assembly
Mower will not lift 1. Hyd. Fluid low 1. Check and refill Hyd. Fluid.
2. Leaks in line 2. Tighten or replace fittings
and hoses
3. Faulty relief valve 3. Check pressure in line. Line
pressure in Control Valves
should be at least 2500 P.S.I.
4. Kinked or blocked 4. Clean or replace lines
5. Faulty cylinder 5. Inspect, repair or replace
cylinder