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5-8). Don’t force or try to thread it back in...an incorrect reading will result. 7. Remove dipstick and check oil level. It should be anywhere within the cross-hatched area or even slightly above the “Max” marking. If correct, replace dipstick and remove the boards used as props. 8. If oil level was low, gear oil must be added before using the tiller. See “C. Adding or Changing Gear Oil” next. For Dipsticks With Hot/Cold Markings: 1. Follow Steps 1 and 2 given for the other type of dipstick. 2. Put a 2"x4" board under the drag bar- raising the tiller and drag bar about 3-V2” above ground. This elevation is for a “cold” reading which is preferable- 2 or more hours since tiller was last used. (If taking a “hot” reading- tiller was operated for more than 30 minutes within the past hour, do not use the wood prop to elevate the tiller.). 4. Follow Steps 4, 5 and 6 given for the other dipstick type. 5. Remove dipstick and check level. It should be within or above the “Cold” range marking if taking a ‘cold’ reading. (If taking a “Hot” reading, the level should be within or slightly above the “Hot” range.) 6. If the level is incorrect, see Adding or Changing Gear Oil next. 47 ‘-5 Figure 5-9: Gear oil fill hole (A) and gear oil drain location (B). C. Adding or Changing Gear Oil For partial fill-ups (just a few ounces or less), use SAE 140, SAE 85W-140, or SAE 80W-90 weight gear oil with an API rating of GL-4 or GL-5. For full replacement, use SAE 140 or SAE 85W-140 gear oil with an API rating of GL-4 only. (At the Factory, SAE 85W-140 weight gear oil is used.) IMPORTANT - Do not use automatic transmission fluid or engine oil. They are too light in weight and will result in transmission damage. The gear oil does not need to be changed. Do so only if you know, or suspect, it is contaminated with dirt, sand or other foreign particles. Gear oil is available at well-stocked service stations, power equipment centers, or farm/heavy equipment outlets. Capacities: Power unit transmission holds approximately 60 ozs.; Tine Attachment transmission holds approximately 12-lh ozs. To Add Gear Oil to the Power Unit Transmission: 1. Follow steps 1 and 2 of “To Check the Power Unit Oil Level:” on the previous page. 2. Using a 3/4" wrench (or socket), remove the bolt securing the handlebar base to the top of the transmission (prop the handlebars first to prevent them from falling). Then, unplug the Forward Interlock wire harness receptacle at the bottom of the handlebars. Set the handlebar base and bolt aside on a clean surface. The bolt hole in the top of the transmission is the gear oil fill hole. See Figure 5-9. 3. Slowly pour gear oil through a clean funnel into the transmission. Stop when gear oil begins to flow from the oil level check hole on the left side of the transmission (Figure 5-7). 4. Reinstall the oil level check plug. Tighten it securely. 5. Reinstall the handlebars using the mounting bolt previously removed. Align the handlebars so they point straight backwards, not at an angle. Then tighten the mounting bolt securely. 6. Reconnect the Forward Interlock wire harness to the receptacle. Be certain it’s secure. 7. Test operation of the Forward Interlock Safety System — refer to Section 4 for procedure. To Drain and Fill the Power Unit Transmission: 1. Place a shallow pan under the transmission gear oil drain plug (refer to B, Figure 5-9). 2. Remove the oil level check plug (see Figure 5-7) with a 3/8" wrench. This vents the transmission for faster oil draining. 3. Using the 3/8" wrench, remove the drain plug (B, Figure 5-9). The gear oil will drain quite slowly since it is thick. After about two quarts have drained, tilt the tiller forward so any oil at the rear of the transmission will drain out. 4. Clean the drain plug threads, put non-hardening gasket sealant on the threads, and reinstall plug. 5. Refill the transmission with the correct amount of gear oil before operating the tiller again. When oil seeps from the oil level check hole, the right amount of gear oil has been added. Replace all plugs. To Add Gear Oil to the Tine Attachment Transmission: 1. Select the right depth regulator lever setting: a) If filling an empty transmission, raise the Depth Regulator Lever so tines are on the ground. b) If topping off the gear oil, move Depth Regulator Lever down to engage its top notch. 2. Remove dipstick from tine attachment (see Figure 5-8). 3. Slowly add gear oil in the dipstick hole. Add 1/2-ounce at a time to avoid overfilling. It takes about 12-V2 ounces. 4. Take dipstick readings frequently. Stop when oil reaches “Cold” range marking on dipstick. Replace dipstick securely. 48 Maintenance/Repairs ammsssamimi^v^isaBms^BaaMBsmeaaamaamamBaammsusesjmm,, To Drain and Fill the Tine Attachment Transmission: 1. The tine attachment transmission is not equipped with an oil drain plug. To drain just a small amount of gear oil, remove the dipstick and tilt the attachment forward...

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