. OPERATION DETAILED CONTROLS AND GAUGES Opening and Closing Cover with Lock Locking the Cover 3 - 47 Opening the Cover (Locked Cover) 1. I nsert the key into the key 2. T urn the key c he cover grip. and ope he cover by pulling 1. C lose the cov er and insert the k ey i nto t he key slot. 2. T urn the key c lockwise and tak e th e ke y out. HOT AND COOL BOX This i s at the rear l eft of the operator' s seat. It is interconnected with the a ir conditioner , it warms w hen the heater being used and cools when t he air conditioner i s being used