Change Transmission Oil; Internal/Hydraulic System Filter - Simplicity 300 Series, 1600 Series, 2600 Series Operator's Manual

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Figure 36. Seat Deck Access Plug
A. Expansion Chamber Access Plug
K71 Maintenance
The following maintenance procedures must be per-
formed on the K71 transmission after the first 50 hours of
operation and then after every 250 hours.
TRANSMISSION INFORMATION
Transmission Oil Capacity: Apx. 4-1/2 qt (4.25L)
Transmission Oil Type: SAE 10W-30 with a minimum
Internal Oil Filter Part Number: 1719832
Hydraulic System Oil Filter Part Number: 1719168
CHECK TRANSMISSION OIL LEVEL
Service Interval: Every 5 Hours
NOTE: Lift cylinder should be extended.
1. Slide the seat assembly back to access the plastic
plug in the top of the seat deck (see Figure 36).
Remove the plug.
2. Clean the area around the expansion chamber.
Open the lid and check that there is oil present in the
bottom of the expansion chamber. If there is no oil
present, add 10W-30 SG engine oil until the oil level
is 7/16" (1 cm) above the bottom. DO NOT OVER-
FILL. Empty space is required in the expansion
chamber for heat expansion.
CHANGE TRANSMISSION OIL, INTERNAL FILTER, &
HYDRAULIC SYSTEM FILTER
Service Interval: After 50 Hrs, Then Every 250 Hrs
NOTE: The oil should also be changed whenever it has
become discolored from overheating or contamination.
NOTE: Support the frame with jackstands and remove
the left rear wheel for easier access to the differential fill
plug (Figure 37).
1. Place a drain pan under the transmission and remove
the two 14mm drain plugs (A, Figure 38).
2. Remove the differential fill cap (B, Figure 39).
3. Remove the filter access cap (B, Figure 38).
4. Remove and replace the hydraulic system filter (A,
Figure 39). Thread the new filter onto the filter base
and tighten 1/2 to 3/4 turns past finger tight.
API rating of SG/CD.
Figure 37. Differential Fill Plug Access
A. Differential Fill Plug
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Figure 38. Transmission Drain Plugs
A. 14mm Drain Plugs
B. Filter Access Cap
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B
Figure 39. Hydraulic System Oil Filter
A. Hydraulic System Filter
B. Differential Fill Cap
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Regular Maintenance
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