Wright Manufacturing Sentar Commercial Mower - Manual (Page 16)

MAINTENANCE SERVICE INTERVALS - WRIGHT SENTAR
MAINTENANCE ITEM
E
N
G
IN
E
IT
E
M
S
S
E
E
N
O
TE
B
E
LO
W
D
A
IL
Y
FI
R
S
T
8
H
O
U
R
S
5-
10
H
O
U
R
S
40
H
O
U
R
S
16
0
H
O
U
R
S
A
N
N
U
A
LL
Y
DAILY ITEMS
Check engine oil and add as needed Engine *1
Check for fuel or oil leakage Engine *1
Check and clean air intake screen Engine *1
Clean or replace engine air filter and prefilter Engine *1
Clean engine blower screen and fins with compressed air Engine *1
Clean hydro oil cooler with compressed air
Check for loose hardware (e-clips, snap rings, nuts, etc.)
Check blades for excessive wear and sharpness (sharpen/balance or
replace as necessary)
FIRST 8 HOURS
Change engine oil and filter Engine *1
Check hydraulic oil reservoir level and fill as needed - Use
SYNTHETIC oil - Mobil1 15W-50
*2
Grease caster wheel bearings
Grease blade spindle bearings (if applicable)
*3
Lubricate foot platform Operator Presence Control pivots and control
rod with waterproof grease
Lubricate hand control lever pivot shafts with waterproof grease
Lubricate choke control cable (if equipped) with WD-40
Inspect for cracks in frame, cutter deck or other steel parts
*4
Inspect all belts for wear and adjustment
Check all bolts and nuts for tightness (tighten as necessary)
Check tire pressure; Rear tires 18-24 psi-Front tires 30-40 psi
EVERY 5-10 HOURS
Clean out debris under blade belt cover
Scrape clean underside of cutter deck
Check blade spindle mounting bolts for proper tightness
EVERY 40 HOURS
Thoroughly clean complete mower
Inspect and replace worn tires
Inspect and tighten all hydraulic hoses
Replace hydraulic oil filter with Original Wright filter
Adjust parking brake shoes to firmly stop wheels when engaged
Check and clean engine oil cooler fins (if applicable)
Engine *1
Clean and re-gap spark plug (replace as necessary) Engine *1
Clean combustion chamber Engine *1
EVERY 160 HOURS
Disassemble, grease and reassemble all idler arm pivots
Completely inspect for excessive wear in all parts of mower,
including control system (replace worn parts)
Inspect and replace (if necessary) worn main cutter deck idler pulleys
or pulley bearings (if applicable)
Replace (if necessary) excessively worn bushings or bearings on
mower controls and other moving parts
Replace (if necessary) excessively worn caster wheels and roller
bearings
Remove battery and clean battery, battery box and battery cable ends
Check and adjust valve clearance
Engine *1
Clean and lap valve seating surface Engine *1
NOTES:
*1 - Refer to Engine Manufacturers Owners Manual
*2 - Hydraulic fluid level should be 4"-5" below the top of the oil fill
*3 - Some units have greasable bearings while others have sealed ball bearings which require no additional grease
*4 - Contact an authorized Dealer immediately if any cracks are found