22
valve and is commonly referred to as air valve vacuum. Once in the mixer, the fuel is combined with air
and is drawn into the engine for combustion.
OIL LEVEL GAUGE INSTALLATION
The WP06GNA and WP06GTA Wecichai engine comes equipped with the capability of using an oil level
gauge. If a gauge was purchased through Weichai America Corporation, the connector on the wiring
harness and the connector on the gauge should be a match. If the gauge was not supplied by Weichai
America Corporation, please contact our service department and the right connector can be purchased.
Figure 20: Oil Feed to Oil Level Gauge
To install the gauge, remove the M20x1.5 plug from the oil pan shown in
Figure 20, and install a M20x1.5
to ¾” barbed hose fitting. Use ¾” hose rated for oil to connect the
gauge to the fitting. If the gauge must be
balanced according to the owner’s manual, an Oil Balance Line
Kit can be purchased from our service department. The kit includes one Oil Balance Line Block, four
M6x1.0x35 bolts, two gaskets, one 1/8” NPT to 3/8” barbed fitting, one oil fill neck assembly
and 3/8”
M20x1.5 to 3/4
” Barbed
3/4
” Hose rated for Oil
3/4” NPT to 3/4” Barbed
3/8
” NPT to 3/
8
” Barbed
WEICHAI & PSI SERVICE MANUALS AVAILABLE ONLINE AT FLYPARTSGUY.COM
GET YOUR WEICHAI & AFTERMARKET SERVICE PARTS AT FLYPARTSGUY.COM
