TM 10-3930-669-10 3-6.  ENGINE OIL LEVEL CHECK AND SERVICE. a. Engine Oil Level Check. (1) Shut down forklift (Para 2-10.  h.). (2) Open   cab   door   (1)   and   engine   access panel (2). CAUTION Wait  at  least  5  minutes  after  shutting off  the  engine  to  allow  oil  to  drain  to bottom  of  engine  before  checking  oil level. (3) Remove oil dipstick (3) and wipe oil from dipstick (3). (4) Insert dipstick (3) in dipstick tube (4). (5) Remove  dipstick  (3)  and  check  oil  level. Oil  level  should  be  between  add  and  full marks on dipstick (3). (6) Add oil as necessary (Para 3-6.  b.). (7) Install dipstick (3) in dipstick tube (4). (8) Close  engine  access  panel  (2)  and  cab door (1). 3-12