Argo All 8X8 - Changing the Transmission Oil - 34-100; Changing the Transmission Oil - 34-200

Transmission Argo Service Manual
TR-5
Changing the Transmission Oil - 34-100
Remove rewall to access the drain plug located at the bottom of the transmission.
Drain the transmission oil into a suitable container and dispose of the oil at a disposal
site.
While draining the transmission oil, be sure to clean o any metal particles that are on
the magnet of the drain plug. These ne metal particles are a result of the transmission
gears meshing during the initial break-in period. Re-install the plug and tighten it
securely.
Relling the Transmission - 34-100 "Classic"
Rell the transmission through the oil ll/dipstick hole. Oil capacity for all
transmissions is 38.7 oz.( 1.1 L) of 80 W 90 Gear Lube HYPOY-C. As you rell the
transmission, check the oil level with the dipstick. Check that the oil level is even with
the mark on the dipstick, after it has been seated fully in the dipstick hole. DO NOT
OVERFILL.
Overlling may result in oil being forced out the breather hole that could contaminate
the brake pads and lead to brake failure.
Changing the Transmission Oil - 34-200 "ADMIRAL"
Removing the oil from the Admiral transmission requires the use of a vacuum style
pump such as the 638-02 Big Boy, Top Sider (available from Ontario Drive and Gear).
Due to the design of the Admiral transmission, the majority of the oil in the case will be
below the drain plug.
Remove the drain plug and drain the oil until the ow stops. Insert the vacuum tube of
the Big Boy Vacu-Pump into the drain plug hole and remove the remaining oil from the
transmission sump.
Relling the Transmission - 34-200
Install the drain plug. Remove the ll/vent plug located on the top of the transmission.
Fill the transmission until the sight glass is half full. For Oil capacity see Oil Capacity
Chart
Transmission Oil Capacity
Admiral (34-200) 1.2 L
1.1 LClassic (34-100)
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