Wright Serial # 27543 and Higher - Manual (Page 17)

Maintenance Interval Chart
MAINTENANCE ITEM
E
N
G
IN
E
ITE
M
S
S
E
E
N
O
TE
B
E
L
O
W
F
IR
S
T
8
H
O
U
R
S
D
A
ILY
E
V
E
R
Y
2
5
H
O
U
R
S
E
V
E
R
Y
1
00
H
O
U
R
S
E
V
E
R
Y
2
00
H
O
U
R
S
E
V
E
R
Y
3
00
H
O
U
R
S
A
N
N
U
A
L
LY
Inspect for cracks in frame, cutter deck or other steel parts *3 X X
Inspect all belts for wear, adjustment and alignment X X X
Check all bolts and nuts for tightness (tighten as necessary) X X X
Lubricate hand control lever pivot shafts with waterproof grease X X
Check hydraulic oil reservoir level and fill as needed - Use SYNTHETIC oil - Mobil1
15W-50
*2 X X X
Grease caster wheel bearings X X X
Check tire pressure; Rear tires 18-22 psi-Front tires 30-40 psi. Some Front Casters
are equipped with non-pneumatic tires and do not require any air.
X X X
Check and clean engine cooling fins Engine *1 X X X
Lubricate Operator Presence Control pivots and control rod with waterproof grease X X X
Replace fuel filter Engine *1 X X
Lubricate choke control cable (if equipped) with WD-40 X X
Check engine and add as needed Engine *1 X X
Check for fuel or oil leakage - correct as needed Engine *1 X X
Check and clean air intake screen Engine *1 X X
Clean engine blower screen and fins with compressed air Engine *1 X X
Clean mower with compressed air-do NOT use a pressure washer X X
Check for loose hardware (e-clips, snap rings, nuts, etc.) X X
Check blades for wear and sharpness (sharpen and balance or replace as
necessary)
X X
Check and adjust tire pressures to no more than maximum pressure listed on tire
and maintaining good traction and comfort
X X
Clean out debris under blade belt cover X X
Scrape clean underside of cutter deck X X
Check blade mounting bolts for proper tightness X X
Check blade spindle mounting bolts for proper tightness X X
Clean air cleaner foam element Engine *1 X X
Inspect tires, replace as needed X X
Inspect and tighten all hydraulic hoses X X
Adjust parking brake shoes to firmly stop wheels when engaged X X
Clean air cleaner paper element Engine *1 X X
Clean and re-gap spark plug (replace as necessary) Engine *1 X X
Change engine oil Engine *1 X X
Change engine oil filter Engine *1 X X
Replace air cleaner paper element Engine *1 X X
Replace hydraulic oil filter with Original Wright filter X
Completely inspect for excessive wear in all parts of mower, including control
system (replace worn parts)
X X
Inspect and replace (if necessary) worn main cutter deck idler pulleys or pulley
bearings (if applicable)
X X
Replace (if necessary) excessively worn caster wheels and roller bearings X X
Remove battery and clean battery, battery box and battery cable ends (if applicable) X X
Clean combustion chamber Engine *1 X
Check and adjust valve clearance Engine *1 X
Clean and lap valve seating surface Engine *1 X
X
X
NOTES:
*1 - Refer to Engine Manufacturers Owners Manual
*2 - Hydraulic fluid level should be 1"-2" below the top of the oil fill
*3 - Contact an authorized Dealer immediately if any cracks are found
*The service intervals indicated are to be used as a guide. Service should be performed more frequently as necessary by operating conditions*
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