UniCarriers FD25T4C - Page 137

HYDRAULIC SYSTEM
Checking
item
Service Required Tools Daily
Monthly
(200 hrs)
Trimonthly
(600 hrs)
Semiannually
(1200 hrs)
Annually
(2400 hrs)
Hydraulic
oil tank
Check oil level and change oil, if contaminated. Visual
○ ○ ○ ● ●
Change suction strainer. Operate
● ●
Change return lter. Operate
● ●
Control
valve lever
Check for loose linkage of the lever. Operate
○ ○ ○ ○ ○
Check for function of the lever. Operate
○ ○ ○ ○ ○
Control
valve
Check for oil leaks. Visual
○ ○ ○ ○ ○
Check relief valve and tilt-lock valve for function. Auditory
○ ○ ○ ○
Measure relief valve pressure.
Oil pressure
gauge
○ ○
Hose,
piping, hose
reel, and
swivel joint
Check for oil leaks, looseness, deformation or
damage.
Visual/
touch
○ ○ ○ ○ ○
Change load handling hose. Operate
●
(1 – 2 years)
ELECTRICAL SYSTEM
Checking
item
Service Required Tools Daily
Monthly
(200 hrs)
Trimonthly
(600 hrs)
Semiannually
(1200 hrs)
Annually
(2400 hrs)
Ignition
device
(gas-
powered
trucks)
Check distributor cap for cracks.
G
Visual
○ ○ ○
Check spark plug for burn.
G
Visual
○
Adjust spark plug gap.
G
Plug gap
gauge
○ ○ ○
Clean spark plug.
G
Operate
○ ○ ○
Check spark plug and clean, adjust or
replace.
E
Operate/
plug gap
gauge
○ ○ ○
●
[every 18 months
(3600 hrs)]
Check the insertion of high-voltage
cable into distributor cap.
G
Visual
○
Check distributor segment for burn.
G
Visual
○
Check distributor center-piece for wear
or damage.
G
Visual
○
Check gap between signal rotor and
stator.
G
Thickness
gauge
○ ○ ○
Lubricate distributor shaft.
G
Operate
○ ○ ○
Check high-voltage cable for breakage.
G
Tester
○
Starter Check proper engagement of pinion gears. Operate
○ ○ ○
Charger Check for proper operation. Ammeter
○ ○ ○
Battery
Check electrolyte level and clean.
Visual/
operate
○ ○ ○ ○ ○
Check specic gravity of electrolyte. Gravimeter
○ ○ ○
Electrical
wiring
Check wire harness for damage and loose
clamp.
Visual
○ ○ ○ ○
Check for loose connections. Touch
○ ○ ○
4-46
PERIODIC INSPECTION