Toro 90743SL Rev G Groundsmaster 580 30581

Steering/Auxiliary Pump Repair (Models 30582 and 30583)
10
5
9
8
7
360 to 380 in--lbs
(40.7 to 42.9 N--m)
6
5
4
3
2
1
360 to 380 in--lbs
(40.7
to 42.9 N--m)
11
12
13
8
14
Figure 39A
1.
2.
3.
4.
5.
Cap screw (4 used)
Shaft seal
Pre--load seal
Load seal
Sealing ring
6.
Front wear plate
11. Rear cover (flow divider) assembly
12. Gear plate
7.
8.
9.
Drive shaft
Dowel
Rear wear plate
13. Idler gear
14. Front body
10. Cap screw (3 used)
Disassembly
6.  Carefully remove idler gear and drive gear.
1.
thoroughly. After cleaning, remove plugs and drain any
oil out of the pump.
Plug pump ports and clean the outside of the pump
7.  Remove gear  plate and rear  wear plate from  rear
cover.
8.
Remove and discard  pre--load seal, load seal  and
2.
across thefrontbody,gear  plate and rear cover forreas-
sembly purposes (Fig. 39B).
Use a marker  or scribe to  make a diagonal mark
sealing rings.
IMPORTANT: Make sure not to damage the counter
bore when removing  the shaft seal from  the front
body.
IMPORTANT: Avoid    using   excessive   clamping
pressure on the pump housing to prevent distorting
the housing.
9.
Remove shaft seal from the front body.
Rear cover assembly includes priority  flow di-
Note:
3.
cap screws.
Clamp mounting flange of pump in a vise. Loosen all
vider valveandsteering reliefvalve.  Thesecomponents
are retained in the cover with tamper proof plugs. Disas-
sembly of rear cover is not recommended.
4.
Remove  pump  from   the  vise  and  remove  cap
screws.
Inspection
IMPORTANT: Topreventcomponentdamage,never
pry components apart. Light tapping with a plastic
hammer on drive shaft should separate pump.
1.
cloth.
Remove nicks and  burrs from all parts with  emery
2.
wear. Evidence of damage indicates  need for compo-
nent replacement.
Inspect gear plate for excessive scoring, gouges or
5.
Carefully remove front body. Lift front body straight
up to allow drive shaft and idler gear to remain  in rear
cover. Remove  front wear  plate. Identify  intersecting
gear teeth of drive shaft and idler gear with a marker to
ensure proper gear placement during assembly.
3.
wear.
Inspect front  body  and rear  cover for  damage or
Groundsmaster 580--D
Page 4 -- 44.1    Auxiliary (Lift/Counterbalance) System Repairs
Rev. G
Product Specification
CategoriesLawn Mower Manual, Sprinkler and Irrigation Manuals, Toro Sprinkler and Irrigation Manuals
Tags,
Download File
Please Enter the Security Characters Shown Below. Letters are Case Sensitive. Your download link will appear upon completing this step.
- 329 pages
Document TypeService Manual
LanguageEnglish
Product BrandToro. Customer Service Representatives are available by phone: Monday - Friday 7:30 a.m. to 9:00 p.m. (CDT) - Saturday 8:00 a.m. to 8:00 p.m. (CDT) - Sunday 10:00 a.m. to 8:00 p.m. (CDT)
Canada 1-888-225-4886 USA 1-888-384-9939, Lawn Mower
Document File TypePDF
Publishertoro.com
Wikipedia's PageToro Company
CopyrightAttribution Non-commercial
(0 votes, average: 0 out of 5)

Submit your review (optional)
(will not be displayed)
* Required Field

Leave a Reply

Your email address will not be published. Required fields are marked *

*
*
Website