I have a 97' daewoo dsl601 skid steer that the boom and bucket won't move

SOURCE: 97 mountaineer oil pan won't come out do you

V6 or V8?

V6:
Section 303-01B: Basic Engine - 4.0L SOHC 1997 Explorer/Mountaineer Workshop Manual
IN-VEHICLE REPAIR Oil Pan
Removal

1. Disconnect the battery ground cable.

1. Raise and support the vehicle; refer to Section 100-02 .

1. Remove the oil pan plug and drain the engine oil.

1. Remove the ten oil pan bolts and remove the oil pan (6675).
   • Discard the gasket.

1. NOTE: All sealing surfaces must be cleaned prior to assembly. Use metal surface cleaner F4AZ-19A536-RA or equivalent meeting Ford specification WSE-M5B392-A to clean the sealing surfaces.
   Position the oil pan and gasket and install the ten retaining bolts.

1. Install the oil pan plug and refill the engine oil.
   • Use 5W30 engine oil meeting Ford specification WSS-M2C153-G.

1. Lower vehicle.

1. NOTE: When the battery is disconnected and reconnected, some abnormal drive symptoms may occur while the vehicle relearns its adaptive strategy. The vehicle may need to be driven 16 km (10 mi) or more to relearn the strategy.
   Connect the battery ground cable.

SOURCE: how to replace key lock cylinder 97 pontiac gran

have you tried turning the wheel while turning the key?
sometimes it gets locked out