TH4330,4290,4260
62
Transmission Oil & Filters
Transmission oil lubricates transmission, center housing,
and rear axles and also serves as hydraulic fluid.
Transmission oil and filter should be changed after first
50 hours of operation and then every 200 hours there-
after.
FIG. 6-12: To Check Transmission Oil Level - Park
Tractor on level ground and remove dipstick, 1. Oil level
should be indicated between upper limit mark, A and end
of dipstick, B.
Oil level is replenished, as necessary, by removing filler
plug, 2, and adding oil through filler opening.
NOTE: Adding oil to transmission will also maintain cor
rect oil level in center housing and rear axles.
FIG. 6-13: To Replace Transmission Oil - Remove
drain plug, 3, along with second drain plug below mid
PTO gearbox, and final drive plugs, 4, one each axle.
Completely drain oil from system.
IMPORTANT: Completely lower three-point hitch prior to
draining transmission oil.
When completely drained replace and tighten all drain
plugs. Service hydraulic and hydrostatic filters, as
required, and then refill with oil.
FIG. 6-14: Transmission filter, 5 must also be cleaned
when oil is replaced. With oil drained. Remove retaining
bolt, 6. withdraw filter from left side of rear transmission
case.
Clean filter in solvent kerosene, dry thoroughly and rein-
stall. Make sure seal is not damaged.
Apply sealant to threads on drain plug(s) and reinstall.
Refill system with clean oil to level as detailed.
FIG. 6-15: Hydrostatic Transmission oil filter, 7, with oil
drained, unscrew filter from adapter (filter wrench may be
required).
Clean adapter and lubricate seat on new filter. Install until
filter gasket contacts adapter and tighten additional 2/3
turn, by hand. Do not use filter wrench to tighten.
FIG. 6-12
FIG. 6-13
FIG. 6-14
FIG. 6-15 (Hydrostatic Transmission)
Summary of Contents for TH4260
Page 72: ...TH4330 4290 4260 72 FIG 6 34 3 FIG 6 34 4 ...
Page 91: ...ISEKI TRACTOR 91 ...
Page 92: ...TH4330 4290 4260 92 ...
Page 93: ...WIRING DIAGRAM WIRING DIAGRAM WIRING DIAGRAM TH4260F ...
Page 94: ...WIRING DIAGRAM TH4260FH ...
Page 95: ...WIRING DIAGRAM TH4290F ...
Page 96: ...TH4330 4290 4260 WIRING DIAGRAM TH4290FH 4330FH ...