9 maintenance interval chart – Wright Serial # 69788 and Higher User Manual
Page 33
33
MAINTENANCE ITEM
E
N
G
IN
E
I
T
E
M
S
S
E
E
N
O
T
E
B
E
L
O
W
F
IR
S
T
8
H
O
U
R
S
D
A
IL
Y
E
V
E
R
Y
2
5
H
O
U
R
S
E
V
E
R
Y
1
0
0
H
O
U
R
S
E
V
E
R
Y
2
0
0
H
O
U
R
S
E
V
E
R
Y
3
0
0
H
O
U
R
S
A
N
N
U
A
L
L
Y
Inspect for cracks in frame, cutter deck or other steel parts
*2
X
X
Inspect all belts for wear and alignment
X
X
X
Check all bolts and nuts for tightness (tighten as necessary)
X
X
X
Check hydraulic oil reservoir level and fill as needed (refer to Hydro Oil Tank
Check & Fill section)
X
X
Grease caster yokes (refer to Lubrication section)
X
X
Inspect deck anti scalps wheels, ensure free moving
X
Check tire pressure; Rear tires 18-22 psi
X
X
X
Check and clean engine cooling fins with compressed air
Engine
*1
X
X
Replace fuel filter (when clogged)
Engine
*1
X
X
Check engine oil 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 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
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
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 and re-gap spark plug (replace as necessary)
Engine
*1
X
X
Change engine oil
Engine
*1
X
X
X
Change engine oil filter
Engine
*1
X
X
Replace air cleaner Primary Element
Engine
*1
250hrs
Replace air cleaner Secondary Element
Engine
*1
500hrs
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
X
X
Remove battery and clean battery, battery box and battery cable ends
X
X
Check and adjust valve clearance
Engine
*1
X
NOTES:
*1 - Refer to Engine Manufacturers Owners Manual
*2 - 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*
9 Maintenance Interval Chart